SONI, S. K. Technical Teachers Training Institute, Bhopal. Journal of Engineering Education Transformations, [S. l.], p. 31–47, 1998. DOI: 10.16920/jeet/1998/v12i1/113484. Disponível em: https://journaleet.in/index.php/jeet/article/view/1067. Acesso em: 5 dec. 2025.