Shaheen, A. ., M. . Afzal, M. . Hussain, and S. A. . Gilani. “Students Perception to Case Based Learning and Problem Based Learning in a Nursery College: Case Based Learning”. INTERNATIONAL JOURNAL OF MEDICAL SCIENCES, vol. 3, no. 2, May 2022, pp. 66-82, https://isnra.net/index.php/ijms/article/view/332.