MOHANTY, R. P.; TIWARI, M. K. Understanding Costs of Quality. Journal of Engineering Education Transformations, [S. l.], p. 141–155, 2007. DOI: 10.16920/jeet/2007/v20i1-4/115311. Disponível em: https://journaleet.in/index.php/jeet/article/view/1148. Acesso em: 5 dec. 2025.