EGBOKA, P.; H. DALHATU, A. .; DAHIRU, A.; TUKUR, 4Muntaka, . Effects of Multimedia Video Projection on Undergraduate Students’ Achievement and Retention in Quantitative Economics in the Universities in Gombe State, Nigeria . Kashere Journal of Education , [S. l.], v. 2, n. 2, p. 259–266, 2021. Disponível em: https://journals.fukashere.edu.ng/index.php/kje/article/view/718. Acesso em: 15 mar. 2026.