APATA, F. S. Online Instructional Delivery Practices for Improved Physics Learning in National Open University of Nigeria. West African Journal of Open and Flexible Learning, [S. l.], v. 8, n. 1, p. 51–72, 2019. Disponível em: https://wajofel.org/index.php/wajofel/article/view/43. Acesso em: 20 apr. 2024.