BRITS, H. A quest for waste reduction at institutions of higher learning: Investigating the integration of Six Sigma and Lean Six Sigma methodologies with total quality management. South African Journal of Higher Education, [S. l.], v. 32, n. 4, p. 37–50, 2020. DOI: 10.20853/32-4-2582. Disponível em: https://www.journals.ac.za/sajhe/article/view/2582. Acesso em: 7 oct. 2025.