A Comparative Study of the Effects of Problem-based and Traditional Learning Methods on Self-Directed Learning Readiness among Nursing Students in a Research Methodology Course in Two Universities, Southeast Nigeria. AJBR [Internet]. 2023(e)ko uztailaren 14(e)an [aipatua 2026(e)ko maiatzaren 21(e)an];26(1):73-9. Available at: https://www.ojshostng.com/index.php/ajbr/article/view/2818