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Teresa Nogueira graduated from the University of Porto, Engineering Faculty (FEUP) in 1989 and obtained an M.Sc in Electrical and Computer Engineering from the same university in 2002. She completed her Electrical and Computer Engineering PhD from the University of Trás-os-Montes e Alto Douro in 2008. Since 1994, Teresa has worked as a professor at the Polytechnic of Porto (P.Porto), School of Engineering (ISEP). Since 2015, she has worked as a researcher at the Center for Innovation in Engineering and Industrial Technology (CIETI), a research group from P.Porto. Her research interests include renewable energy, power grid operation, energy efficiency, electricity market, natural gas operation, distribution generation, and engineering education. From 2010 to 2018, Teresa was the director of the Master's course in Electrotechnical Engineering - Power Systems. She has authored 90 educational texts, 65 scientific articles and reviewed over 40. She has supervised 62 master's theses and 92 first-degree final works and argued over 90 master's theses and final works. Teresa has participated in 7 International projects and currently coordinates the European project SHOREWINNER - Southern European Community for Offshore Wind Energy. In addition to her academic work, she has work experience in an industrial company where she designed power transformers for substations in power grids.
Identification

Personal identification

Full name
Teresa Alexandra Ferreira Mourão Pinto Nogueira
Date of birth
1966/01/20

Citation names

  • NOGUEIRA, Teresa

Author identifiers

Ciência ID
FA1A-23A9-9DA3
ORCID iD
0000-0001-9904-7527
Google Scholar ID
https://scholar.google.com/citations?user=7hnSfD4AAAAJ&hl=pt-PT
Researcher Id
Q-6796-2016
Scopus Author Id
24802401000

Email addresses

  • tan@isep.ipp.pt (Professional)

Knowledge fields

  • Engineering and Technology - Electrotechnical Engineering, Electronics and Informatics

Languages

Language Speaking Reading Writing Listening Peer-review
Portuguese (Mother tongue)
English
Education
Degree Classification
2004 - 2008/01/18
Concluded
Engenharia Eletrotécnica e de Computadores (Doutoramento)
Universidade de Trás-os-Montes e Alto Douro Escola de Ciências e Tecnologia, Portugal
"Localização de Unidades de Fornecimento de Gás Natural na Rede Primária de Gasodutos" (THESIS/DISSERTATION)
2004/03 - 2004/04
Concluded
Projetista de Redes de Gás (Curso de Especialização Tecnológica)
Centro de Formação Profissional da Indústria da Construção Civil e Obras Públicas do Norte- CICCOPN, Portugal
1999 - 2002/06/12
Concluded
Engenharia Electrotécnica e de Computadores (Mestrado)
Major in Sistemas de Energia
Universidade do Porto Faculdade de Engenharia, Portugal
"Estabelecimento de Preços no Mercado da Eletricidade" (THESIS/DISSERTATION)
1990/01 - 1990/02
Concluded
Autómatos programáveis (Curso de Especialização Tecnológica)
Major in Programação de mecanismos de comando
Siemens Industry Services, Germany
1984/09 - 1989/07
Concluded
Engenharia Electrotécnica e de Computadores (Licenciatura)
Major in Sistemas de Energia
Universidade do Porto Faculdade de Engenharia, Portugal
Affiliation

Science

Category
Host institution
Employer
2015/11 - Current Researcher (Research) Instituto Politécnico do Porto Centro de Inovação em Engenharia e Tecnologia Industrial, Portugal
Instituto Politécnico do Porto, Portugal
2004 - 2010 Researcher (Research) Instituto Politécnico do Porto Grupo de Investigação em Engenharia e Computação Inteligente para a Inovação e o Desenvolvimento, Portugal
Instituto Politécnico do Porto, Portugal

Teaching in Higher Education

Category
Host institution
Employer
2010/05/14 - Current Adjunct Teacher (Polytechnic Teacher) Instituto Politécnico do Porto Instituto Superior de Engenharia do Porto, Portugal
Instituto Politécnico do Porto Instituto Superior de Engenharia do Porto, Portugal

Others

Category
Host institution
Employer
1989/09 - 1994/12 Engenheira, Projeto e Cálculo de Transformadores Efacec Power Solutions, Portugal
Projects

Contract

Designation Funders
2022/06/14 - Current SECOVE - Sustainable Energy Centres of Vocational Excellence (101056201)
Researcher
Instituto Politécnico do Porto, Portugal
ERASMUS-EDU-2021-PEX-COVE
Ongoing
2020/10/01 - Current ATHENA - Advanced Technology Higher Education Network Alliance (101004096)
Researcher
Instituto Politécnico do Porto, Portugal
Erasmus + European University Alliance
Ongoing
2024/02/01 - 2028/02/29 SHOREWINNER, Southern European Community for Offshore Wind Energy
Principal investigator
Instituto Politécnico do Porto Centro de Inovação em Engenharia e Tecnologia Industrial, Portugal
ERASMUS-EDU-2023-PEX-COVE
Ongoing
2007/09/01 - 2010/12/31 RiMaCEM - Gestão de Risco em Mercados de Electricidade Liberalizados Considerando Previsão de Preços e Restrições Técnicas
PTDC/EEA-ENE/69102/2006
Researcher
Instituto Politécnico do Porto Instituto Superior de Engenharia do Porto, Portugal
Fundação para a Ciência e a Tecnologia
Concluded
1999 - 2003 GOMEC - Gestão Optimizada no Mercado de Electricidade Competitivo
PRAXIS/P/EEI/12238/1998
Researcher
Instituto Politécnico do Porto Grupo de Investigação em Engenharia e Computação Inteligente para a Inovação e o Desenvolvimento, Portugal
Fundação para a Ciência e a Tecnologia
Concluded
Outputs

Publications

Book chapter
  1. NOGUEIRA, Teresa; VALE, Zita. "Optimal Location of Gas Supply Units in Natural Gas System Network". In Handbook of Networks in Power Systems II, 61-75. 2012.
    10.1007/978-3-642-23406-4_3
Conference paper
  1. Sousa, Ezequiel; NOGUEIRA, Teresa; Alves, Gustavo. "Impact of Increasing Electric Vehicles Demand on the Distribution Network: A Power Balance Analysis". Paper presented in 8th International Conference on Energy and Environment Research - ICEER 2021 (13-17 Sept.), Online, 2021.
    chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://recipp.ipp.pt/bitstream/10400.22/20476/1/COM_CIETI_ICEER_2021.pdf
  2. Silva, Claudia; Magano, Jose; Figueiredo, Claudia; Vitoria, Andreia; NOGUEIRA, Teresa. "A multi generational approach to project management: implications for engineering education in a smart world". Paper presented in IEEE Global Engineering Education Conference - EDUCON 2020 (27-30 April), 2020.
    10.1109/educon45650.2020.9125144
  3. Barbosa, V.; NOGUEIRA, Teresa; Caratic, E.; Felgueiras, M.. "Super-capacitor in Battery Charges of Photovoltaic Panel: Analysis of the Technical Feasibility". Paper presented in 5th International Conference on Energy and Environment Research, ICEER 2018, (23-27 July), Praga, 2018.
    https://recipp.ipp.pt/bitstream/10400.22/13299/1/ART_CIETI1_VitorBarbosa_2018.pdf
  4. Miguel, M.; NOGUEIRA, Teresa; Martins, F.. "Energy storage for renewable energy integration: The case of Madeira Island, Portugal". Paper presented in 4th International Conference on Energy and Environment Research - ICEER 2017 ( 17-20 July), Porto (Portugal), 2017.
    10.1016/j.egypro.2017.10.277
  5. Batista, S.; Canizes, B.; Oliveira, A.; NOGUEIRA, T. ; Vale, Z.. "Optimal location of normally open switches in order to minimize power losses in distribution networks". Paper presented in IEEE Power and Energy Society General Meeting - PESGM 2016 (17-21 July), Boston (USA), 2016.
    10.1109/pesgm.2016.7741860
  6. Martins, F.; NOGUEIRA, T.; Smitková, M.. "Sustainable Energy in Europe: the Wind Contribution". Paper presented in 6th International Scientific Conference, Renewable Energy Sources (May 31- July 2), Tatranské Matliare (Slovakia), 2016.
  7. Rodrigues, M.; Brito, M.; NOGUEIRA, T.; Martins, F.. "Modeling and Simulation of a Three-Phase Inverter to Inject Energy in Grid from Photovoltaic System". Paper presented in 6th International Scientific Conference, Renewable Energy Sources (May 31- July 2), Tatranské Matliare (Slovakia), 2016.
  8. Teixeira, B.; NOGUEIRA T.. "Biogas for Energy Production in Agricultural Facilities". Paper presented in Energy, Environment and sustainability, 1st International Conference - EES 2012 (26-27 Sept.), Porto, 2012.
  9. Nogueira, Teresa. "Aplication of Combinatorial Optimization in Natural Gas System Operations". Paper presented in VII ALIO/EURO Workshop on Applied Combinatorial Optimization (4-6 May), Porto (Portugal), 2011.
  10. Nogueira, Teresa; Vale, Zita. "Operação do Sistema Ibérico de Gás Natural: Localização das Fontes de Abastecimento". Paper presented in Jornadas Luso Brasileiras de Ensino e Tecnologia em Engenharia - JLBE 09 (10-13 Fev.), Porto (Portugal), 2009.
  11. Nogueira, T.; Vale, Z.. "Natural gas system operation: Lagrangean optimization techniques". Paper presented in International Gas Union Research Conference - IGRC 2008 (8-10 Oct.), Paris (France), 2008.
  12. Nogueira, T.; Vale, Z.; Cardoso, J. C. "Optimization Model for Medium Term Natural Gas Commitment". Paper presented in 5th International Conference on the European Electricity Market - EEM 08 (28-30 May), Lisbon (Portugal), 2008.
    10.1109/eem.2008.4579070
  13. Nogueira, Teresa; Vale, Zita; Cardoso, J. C.. "Natural Gas Location Design and Operation". Paper presented in 10º Congresso Luso-Espanhol de Engenharia Electrotécnica - XCLEEE (5-7 July), Madeira (Portugal), 2007.
  14. Nogueira, T.; Mendes, R.; Vale, Z.; Cardoso, J. C.. "An Heuristic Approach for Optimal Location of Gas Supply Units in Transportation System". Paper presented in 22nd International Scientific Meeting of Gas Experts (2-4 May), Opatija (Croacia), 2007.
  15. Nogueira, Teresa; Mendes, R.; Vale, Zita; Cardoso, J. C.. "Optimal Location of Natural Gas Sources in the Iberian System". Paper presented in 6th WSEAS International Conference on Power Systems (22-24 Sept.), Lisbon (Portugal), 2006.
  16. Nogueira, T.; Vale, Z.; Cordeiro, M.. "Advanced Techniques for Facility Location Problems in Natural Gas Network". Paper presented in International Conference on Knowledge Engineering and Decision Support - ICKEDS´06 (9-12 May), Lisbon (Portugal), 2006.
  17. Nogueira, Teresa; Vale, Zita; Cordeiro, M.. "Natural Gas Market in Europe: Development and Trends". Paper presented in 7º Congresso Interamericano de Computation Aplicada a la Industria de Processos - CAIP2005 (12-15 Sept.), Vila Real (Portugal), 2005.
  18. Nogueira, T.; Vale, Z.; Cordeiro, M.. "Trends in Energy Markets and Systems: The Case of Natural Gas and Facility Location Tehniques". Paper presented in 9º Congresso Hispano Luso de Engenharia Electrotécnica - 9CHLIE (Jun 30- Jul 2), Marbella (Spain), 2005.
  19. Nogueira, T.; Vale, A. A.; Vale, Z.. "A Wholesale Electricity Market Simulation Tool". Paper presented in International Conference on Knowledge Engineering and Decision Support - ICKEDS´04 (19-23 July), Porto (Portugal), 2004.
  20. Nogueira, T.; Vale, A. A.; Vale, Z.. "An Electricity Day-Ahead Market Simulator". Paper presented in 8º Congresso Luso-Espanhol de Engenharia Electrotécnica - 8CLEEE (3-5 July), Faro (Portugal), 2003.
  21. Nogueira, T.; Vale, A.; Vale, Z.. "An electricity day-ahead market simulation model". Paper presented in International Conference on Renewable Energy and Power Quality - ICREPQ 2003 (9-10 April), Vigo (Spain), 2003.
    10.24084/repqj01.384
Journal article
  1. José Magano; Gilbert Silvius; Teresa Nogueira; Farzad Hamed. "Consideration of Sustainability in Projects: A Cross-Sectional Quantitative Analysis". Sustainability (2024): https://doi.org/10.3390/su16031269.
    10.3390/su16031269
  2. Ribeiro, D.. "Carbon footprint assessment of two Photovoltaic Plants". Neutro à Terra 32 (2024): 13-18. https://doi.org/10.34630/neutroaterra.vi32.5537.
  3. Moreira, B.. "Energia Eólica Offshore na União Europeia: Desafios e Oportunidades". Neutro à Terra 32 (2024): 25-30. https://doi.org/10.34630/neutroaterra.vi32.5539.
  4. Gonçalves, B.. "O Sistema de Gestão Técnica Centralizada para a Eficiência Energética de Edifícios". Neutro à Terra 32 (2024): 19-23. https://doi.org/10.34630/neutroaterra.vi32.5538.
  5. Teixeira, T.. "Inspeção Termográfica a Painéis Fotovoltaicos com Recurso a Drone". Neutro à Terra 31 (2023): 53-58. https://doi.org/10.34630/neutroaterra.vi31.5444.
  6. Lourenço, M.. "Metodologias de Gestão de Consumos Energéticos". Neutro à Terra 31 (2023): 45-51. https://doi.org/10.34630/neutroaterra.vi31.5443.
  7. Encarnação, F.. "Comunidade de Cidadãos para a Energia num Grupo Empresarial". Neutro à Terra 31 (2023): 35-43. https://doi.org/10.34630/neutroaterra.vi31.5442.
  8. Silva, A.. "Quadros Elétricos Comunicantes para a Indústria 4.0". Neutro à Terra 31 (2023): 27-34. https://doi.org/10.34630/neutroaterra.vi31.5441.
  9. NOGUEIRA, Teresa; Castro, Rui; Magano, José. "Engineering Students Education in Sustainability: The Moderating Role of Emotional Intelligence". Sustainability 15 6 (2023): 5389. http://dx.doi.org/10.3390/su15065389.
    10.3390/su15065389
  10. NOGUEIRA, Teresa; Carvalho, José; Magano, José. "Eco-Friendly Ester Fluid for Power Transformers versus Mineral Oil: Design Considerations". Energies 15 15 (2022): 5418. http://dx.doi.org/10.3390/en15155418.
    10.3390/en15155418
  11. Nogueira, Teresa; Sousa, Ezequiel; Alves, Gustavo R.. "Electric vehicles growth until 2030: Impact on the distribution network power". Energy Reports 8 (2022): 145-152. http://dx.doi.org/10.1016/j.egyr.2022.01.106.
    10.1016/j.egyr.2022.01.106
  12. Monja-Alarcón, Celia; NOGUEIRA, Teresa. "Avaliação do Impacto dos Veículos Elétricos na Qualidade de Serviço da Rede". Neutro à Terra 28 (2022): 33-38. https://doi.org/10.34630/neutroaterra.vi28.4492.
    https://doi.org/10.34630/neutroaterra.vi28.4492
  13. Souto, Hugo; NOGUEIRA, Teresa. "O Hidrogénio como Vetor Energético do Futuro". Neutro à Terra 28 (2022): 47-53. https://doi.org/10.34630/neutroaterra.vi28.4494.
    https://doi.org/10.34630/neutroaterra.vi28.4494
  14. Sousa, Cláudio; NOGUEIRA, Teresa. "Co-Combustão de Hidrogénio em Centrais a Gás de Ciclo Combinado". Neutro à Terra 28 (2022): 55-60. https://doi.org/10.34630/neutroaterra.vi28.4495.
    https://doi.org/10.34630/neutroaterra.vi28.4495
  15. Nogueira, Teresa; Magano, José; Sousa, Ezequiel; Alves, Gustavo R.. "The Impacts of Battery Electric Vehicles on the Power Grid: A Monte Carlo Method Approach". Energies 14 23 (2021): 8102. http://dx.doi.org/10.3390/en14238102.
    10.3390/en14238102
  16. NOGUEIRA, Teresa; Magano, José; Fontão, Eunice; Sousa, Marina; Leite, Ângela. "Engineering Students Industrial Internship Experience Perception and Satisfaction: Work Experience Scale Validation". Education Sciences 11 11 (2021): 671. http://dx.doi.org/10.3390/educsci11110671.
    10.3390/educsci11110671
  17. Barbosa, Ana C.; NOGUEIRA, Teresa. "Emissões de CO2 e produção de resíduos radioativos pelas fontes energéticas em Portugal". Neutro à Terra 27 (2021): 39-43. https://doi.org/10.34630/neutroaterra.vi27.4452.
    https://doi.org/10.34630/neutroaterra.vi27.4452
  18. Silva, Cláudia Sousa; Magano, José; Matos, Ana; NOGUEIRA, Teresa. "Sustainable Quality Management Systems in the Current Paradigm: The Role of Leadership". Sustainability 13 4 (2021): 2056. http://dx.doi.org/10.3390/su13042056.
    10.3390/su13042056
  19. Magano, J.; Silva, S. C. ; Figueiredo, C.; Vitória, A.; NOGUEIRA, Teresa. "Gestão de Projetos na Engenharia: preparar a Geração Z com Competências Transferíveis". IEEE VAEP-RITA 9 (1) (2021): http://oldrita.det.uvigo.es/VAEPRITA/index.php?content=Num_Pub&idiom=Es&visualiza=3#G.
  20. Magano, Jose; Silva, Claudia Sousa; Figueiredo, Claudia; Vitoria, Andreia; NOGUEIRA, Teresa. "Project Management in Engineering Education: Providing Generation Z With Transferable Skills". IEEE Revista Iberoamericana de Tecnologias del Aprendizaje 16 1 (2021): 45-57. http://dx.doi.org/10.1109/rita.2021.3052496.
    10.1109/rita.2021.3052496
  21. Silva, Cláudia; Magano, José; Moskalenko, Anna; NOGUEIRA, Teresa; Dinis, Maria Alzira Pimenta; Pedrosa e Sousa, Hélder Fernando. "Sustainable Management Systems Standards (SMSS): Structures, Roles, and Practices in Corporate Sustainability". Sustainability 12 15 (2020): 5892. http://dx.doi.org/10.3390/su12155892.
    10.3390/su12155892
  22. Magano, José; Silva, Cláudia; Figueiredo, Cláudia; Vitória, Andreia; NOGUEIRA, Teresa; Pimenta Dinis, Maria Alzira. "Generation Z: Fitting Project Management Soft Skills Competencies—A Mixed-Method Approach". Education Sciences 10 7 (2020): 187. http://dx.doi.org/10.3390/educsci10070187.
    10.3390/educsci10070187
  23. Sousa, Marina; NOGUEIRA, Teresa; Barata, A.; Félix, C.; Escudeiro, N.; Costa, V.. "Internacionalização do ensino superior: para além da mobilidade internacional". Sensos-e 6 (3) (2019): 28-38. https://doi.org/10.34630/sensos-e.v6i3.3106.
    10.34630/SENSOS-E.V6I3.3106
  24. Khorram, M.; NOGUEIRA, Teresa. "Lighting Consumption Optimization in a Residential House based on Electricity Price". Neutro à Terra 24 (2019): 45-49. https://doi.org/10.34630/neutroaterra.vi24.4417.
    https://doi.org/10.34630/neutroaterra.vi24.4417
  25. Rigor, João; NOGUEIRA, Teresa. "Motor de Tração para Fórmula Student: A melhor opção". Neutro à Terra 24 (2019): 35-38. https://doi.org/10.34630/neutroaterra.vi24.4415.
    https://doi.org/10.34630/neutroaterra.vi24.4415
  26. Fragoso, Henrique; NOGUEIRA, Teresa. "Baterias de Iões de Lítio, a Chave da Eletrificação Automóvel". Neutro à Terra 24 (2019): 39-44. https://doi.org/10.34630/neutroaterra.vi24.4416.
    https://doi.org/10.34630/neutroaterra.vi24.4416
  27. Sousa, A.; NOGUEIRA, Teresa. "Impacto da Iluminação Pública na Natureza". Neutro à Terra 24 (2019): 51-55. https://doi.org/10.34630/neutroaterra.vi24.4419.
    https://doi.org/10.34630/neutroaterra.vi24.4419
  28. NOGUEIRA, Teresa; Lopes, C.; Felgueiras, M.; Quadrado, J.. "Power Transformers Diagnosis: Status Evaluation". Neutro à Terra 22 (2018): 37-45. https://doi.org/10.34630/neutroaterra.vi22.4401.
    https://doi.org/10.34630/neutroaterra.vi22.4401
  29. Barbosa, Victor; NOGUEIRA, Teresa; Carati, Emerson; Felgueiras, Carlos. "Supercapacitor in battery charges of photovoltaic panel: analysis of the technical feasibility". Energy Procedia 153 (2018): 80-85. http://dx.doi.org/10.1016/j.egypro.2018.10.019.
    10.1016/j.egypro.2018.10.019
  30. Camões, M.; NOGUEIRA, Teresa. "A Tecnologia LED nas Redes de Iluminação Pública: Resultados de um Caso Prático". Neutro à Terra 21 (2018): 23-28. https://doi.org/10.34630/neutroaterra.vi21.4395.
    https://doi.org/10.34630/neutroaterra.vi21.4395
  31. Maurício, J.; NOGUEIRA, T.. "Conceção de uma Sistema Fotovoltaico Híbrido: Térmico e Elétrico". Neutro à Terra 21 (2018): 37-42. https://doi.org/10.34630/neutroaterra.vi21.4397.
    https://doi.org/10.34630/neutroaterra.vi21.4397
  32. Miguel, M.; NOGUEIRA, T.; Martins, F.. "Energy Storage in Isolated Electrical System". Neutro à Terra 21 (2018): 51-60. https://doi.org/10.34630/neutroaterra.vi21.4400.
    https://doi.org/10.34630/neutroaterra.vi21.4400
  33. Miguel, Miguel; NOGUEIRA, Teresa; Martins, Florinda. "Energy storage for renewable energy integration: the case of Madeira Island, Portugal". Energy Procedia 136 (2017): 251-257. http://dx.doi.org/10.1016/j.egypro.2017.10.277.
    10.1016/j.egypro.2017.10.277
  34. Tavares, Hugo; NOGUEIRA, Teresa. "Ground Fault Protection methods for Distribution Systems". Neutro à Terra 17 (2016): 15-20. https://doi.org/10.26537/neutroaterra.v0i17.455.
    10.26537/NEUTROATERRA.V0I17.455
  35. Barrias, F.; NOGUEIRA, T.; Pinto, J. P.. "Tecnologias de Produção de Frio". Neutro à Terra 16 (2015): 65-72. https://doi.org/10.26537/neutroaterra.v0i16.445.
    10.26537/NEUTROATERRA.V0I16.445
  36. Francisco, A.; Santos, H.; NOGUEIRA, Teresa. "Técnicas de Manutenção em Linhas de Transmissão de Energia". APMI - Associação Portuguesa de Manutenção Industrial 113 (2012): 45-49. https://issuu.com/cie-comunicacao/docs/manuten____o_113_ebook_at4.
  37. NOGUEIRA, Teresa; Magano, J.; Brandão, R.. "Innovation and Investment in Energy Generation Facilities based on Biogas in Agricultural Farms: A Feasibility Case Study". Percursos & Ideias 3 (2) (2011): 88-99. https://iscet.pt/uploads/Revista%20Cient%C3%ADfica%20Percursos%20e%20Ideias/Revista20112012capa.pdf.
  38. Francisco, A.; Santos, H.; NOGUEIRA, Teresa. "Técnicas de Manutenção em Linhas de Transmissão de Energia". Neutro à Terra 5 (2010): 15-20. https://doi.org/10.26537/neutroaterra.v0i5.312.
    https://doi.org/10.26537/neutroaterra.v0i5.312
  39. Nogueira, T.; Mendes, R.; Vale, Z.; Cardoso, J. C.. "Heuristic Model for Iberian Natural Gas Sources Location". WSEAS Transactions on Power Systems 1 (7) (2006): 1343-1349. https://www.researchgate.net/publication/228462618_Heuristic_Model_for_Iberian_Natural_Gas_Sources_Location.
  40. Nogueira, T.; Vale, Z.. "O Mercado Energético de Gás Natural: Instalação das Fontes de Abastecimento". REFLEXOS, Publicação Eletrónica (2006):
  41. Nogueira, Teresa. "Mercado Ibérico da Electricidade". O Eletricista 7 (2004): 14-18. https://issuu.com/cie-comunicacao/docs/o_electricista_at1_e186148e2a8917.