PRETORIUS, P. A SYSTEMS APPROACH TO OPERATIONAL AND BUSINESS DECISION-MAKING. The South African Journal of Industrial Engineering, [S. l.], v. 30, n. 3, p. 77–89, 2019. DOI: 10.7166/30-3-2228. Disponível em: https://sajie.journals.ac.za/pub/article/view/2228. Acesso em: 24 nov. 2024.