Fernandes Leite, F. ., G. F. Cunha, and V. . Schneider. “The Use of the Problem-Based Learning Method to Understand and Develop Habits of Conscious Consumption of Electricity in Elementary School”. Interdisciplinary Journal of Applied Science, vol. 2, no. 3, June 2017, pp. 25-29, https://sou.ucs.br/revistas/index.php/ricaucs/article/view/33.