ALI, Z.; NOOR, F.; SHAHZAD, K. PERFORMANCE COMPARISON OF COAL SPIRAL CIRCUIT ALTERNATIVES. Journal of the Pakistan Institute of Chemical Engineers, [S. l.], v. 43, n. 1, p. 37–46, 2015. Disponível em: http://piche.org.pk/journal/index.php/jpiche/article/view/231. Acesso em: 20 apr. 2024.