Gul, Ambreen, et al. “HOW CASE BASED LEARNING PROMOTES DEEP LEARNING IN PRE-CLINICAL YEARS OF MEDICAL STUDENTS?”. Journal of Ayub Medical College Abbottabad, vol. 32, no. 2, Mar. 2020, pp. 228-33, https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/6247.