SHEPHERD, C. E.; SMITH, S. M. Introduction to Series and Parallel Circuits. Journal of Technology Integrated Lessons and Teaching, [S. l.], p. 1–8, 2021. DOI: 10.13001/jtilt.vi.6803. Disponível em: https://journals.uwyo.edu/index.php/jtilt/article/view/6803. Acesso em: 20 may. 2022.