SZABÓ, A. A.; BÁNYAI, Ágota. SOURCING PROCESS IMPROVEMENT WITH SIX SIGMA METHODOLOGY. Advanced Logistic Systems - Theory and Practice, [S. l.], v. 10, n. 2, p. 59–64, 2016. Disponível em: https://als.uni-miskolc.hu/index.php/als/article/view/33. Acesso em: 21 nov. 2024.