JAIN, Samir Kumar; AGRAWAL, Rishi. ISO 9000-Concept and Implementation in a Service Sector. Journal of Engineering Education Transformations, [S. l.], p. 7–18, 1993. DOI: 10.16920/jeet/1993/v6i4/112940. Disponível em: https://journaleet.in/index.php/jeet/article/view/778. Acesso em: 16 dec. 2025.