JAIN, P. C.; GUPTA, B. L. A Study on Utility of Industrial Training of Polytechnic Teachers. Journal of Engineering Education Transformations, [S. l.], p. 42–47, 1993. DOI: 10.16920/jeet/1993/v6i4/112967. Disponível em: https://journaleet.in/index.php/jeet/article/view/772. Acesso em: 5 dec. 2025.