AMININ, Clifford Moses; SALAWU, Ibrahim O. Perceptions of Students and Staff of the National Open University of Nigeria on the Quality of Online Instructional Delivery Strategy: An Evaluative Study. West African Journal of Open and Flexible Learning, [S. l.], v. 3, n. 2, p. 119–136, 2014. Disponível em: https://wajofel.org/index.php/wajofel/article/view/292. Acesso em: 15 may. 2026.