KHAN, F. A. An Effective Planning and Delivery of Lecture. Journal of Engineering Education Transformations, [S. l.], p. 39–41, 1991. DOI: 10.16920/jeet/1991/v5i2/115114. Disponível em: https://journaleet.in/index.php/jeet/article/view/468. Acesso em: 17 dec. 2025.