TULSI, P. K. Barriers to Classroom Communication. Journal of Engineering Education Transformations, [S. l.], p. 21–33, 2000. DOI: 10.16920/jeet/2000/v13i3/113291. Disponível em: https://journaleet.in/index.php/jeet/article/view/1031. Acesso em: 5 dec. 2025.