OKE, S.; CHARLES-OWABA, O.; POPOOLA, I. APPLICATION OF PROFITABILITY CONCEPT: A CASE IN THE PLASTIC RECYCLING INDUSTRY. The South African Journal of Industrial Engineering, [S. l.], v. 18, n. 1, 2011. DOI: 10.7166/18-1-131. Disponível em: http://sajie.journals.ac.za/pub/article/view/131. Acesso em: 4 may. 2024.