A qualitative study of the optimal control model for an electric power generating system. Journal of Energy in Southern Africa, [S. l.], v. 23, n. 2, p. 65–72, 2012. DOI: 10.17159/2413-3051/2012/v23i2a3165. Disponível em: https://energyjournal.africa/article/view/3165. Acesso em: 22 dec. 2024.