An Assessment of Practical Skill Learning Activities in Study Materials Developed by the National Open University of Nigeria. West African Journal of Open and Flexible Learning, [S. l.], v. 2, n. 2, p. 175–192, 2026. Disponível em: https://wajofel.org/index.php/wajofel/article/view/321. Acesso em: 27 mar. 2026.