Greening the School Energy System: A Nigerian Case Study. European Journal of Energy Research, [S. l.], v. 2, n. 4, p. 17–25, 2022. DOI: 10.24018/ejenergy.2022.2.4.68. Disponível em: https://ej-energy.org/index.php/ejenergy/article/view/68. Acesso em: 20 oct. 2025.