VISSER, R.; CLAASEN, S. AN OPERATIONAL MANAGEMENT MODEL FOR A COAL MINING PRODUCTION UNIT. The South African Journal of Industrial Engineering, [S. l.], v. 15, n. 1, 2011. DOI: 10.7166/15-1-238. Disponível em: http://sajie.journals.ac.za/pub/article/view/238. Acesso em: 26 apr. 2024.