ATTAR, M. T. THE CRITICAL SUCCESS FACTORS FOR LEAN SIX SIGMA IMPLEMENTATION IN SMALL-AND-MEDIUM-SIZED ENTERPRISES. The South African Journal of Industrial Engineering, [S. l.], v. 34, n. 4, p. 59–75, 2023. DOI: 10.7166/34-4-2877. Disponível em: http://sajie.journals.ac.za/pub/article/view/2877. Acesso em: 11 may. 2024.