RATNALIKAR, N. V. Distance Education in India-The State of Art. Journal of Engineering Education Transformations, [S. l.], p. 34–44, 1995. DOI: 10.16920/jeet/1995/v9i2/114770. Disponível em: https://www.journaleet.in/index.php/jeet/article/view/899. Acesso em: 31 jan. 2026.