BHATTACHARYA, S. K. Improving Academic Climate of Polytechnics. Journal of Engineering Education Transformations, [S. l.], p. 29–33, 1993. DOI: 10.16920/jeet/1993/v6i4/112955. Disponível em: https://journaleet.in/index.php/jeet/article/view/775. Acesso em: 5 dec. 2025.