THOPIL, George A.; POURIS, Anastassios. International positioning of South African electricity prices and commodity differentiated pricing. South African Journal of Science, [S. l.], v. 109, n. 7/8, p. 4, 2013. DOI: 10.1590/sajs.2013/20120075. Disponível em: https://sajs.co.za/article/view/3918. Acesso em: 27 apr. 2024.