The Study is Based on the Premise of Applying the Principles of Total Quality Management on Productivity. American Journal of Language, Literacy and Learning in STEM Education (2993-2769), [S. l.], v. 4, n. 3, p. 168–174, 2026. Disponível em: https://grnjournal.us/index.php/STEM/article/view/9265. Acesso em: 1 may. 2026.