Nasim A, Ghani M, Kausar S, Khatoon K. Effectiveness of Problem Based Learning in Developing Knowledge of Undergraduate Nursing Students. Annals KEMU [Internet]. 2022 Apr. 27 [cited 2024 Dec. 22];28(1). Available from: https://annalskemu.org/journal/index.php/annals/article/view/5001