ØSTERGAARD, P. A.; DUIC, N. Sustainable Energy, Water and Environmental Systems. International Journal of Sustainable Energy Planning and Management, Aalborg, Denmark, v. 3, p. 1–4, 2014. DOI: 10.5278/ijsepm.2014.3.1. Disponível em: https://journals.aau.dk/index.php/sepm/article/view/732. Acesso em: 29 mar. 2024.