SOARES DE OLIVEIRA, F.; MARINHO FERNANDES, L.; SOUZA DA FONSECA, A.; ROCHA PINTO, F.; BARBOSA DE ALENCAR, D.; HENRIQUE REIS NASCIMENTO, M. Proposed Use of Photovoltaic Energy in a Traffic Light System. International Journal for Innovation Education and Research, Dhaka, Bangladesh, v. 7, n. 11, p. 1164–1175, 2019. DOI: 10.31686/ijier.vol7.iss11.1981. Disponível em: https://ijier.net/ijier/article/view/1981. Acesso em: 5 aug. 2021.