ANYAECHE, C.; OLULEYE, A. A PRODUCTIVITY EVALUATION MODEL BASED ON INPUT AND OUTPUT ORIENTATIONS. The South African Journal of Industrial Engineering, [S. l.], v. 20, n. 1, 2011. DOI: 10.7166/20-1-82. Disponível em: https://sajie.journals.ac.za/pub/article/view/82. Acesso em: 27 apr. 2024.