BEULAH, O. I. Comparative Effects of Video Projection, Powerpoint Instructional Package and Traditional Teaching Methods on Students’ Performance in Basic Science. International Journal of Social Sciences and Humanities Invention, [S. l.], v. 3, n. 11, 2016. Disponível em: http://valleyinternational.net/index.php/theijsshi/article/view/631. Acesso em: 27 apr. 2024.