Choudhary, Raghuveer, Dullo P, and Gupta U. 2009. “ATTITUDE OF 1ST MBBS MEDICAL STUDENTS ABOUT TWO DIFFERENT VISUAL AIDS IN PHYSIOLOGY LECTURES”. Pakistan Journal of Physiology 5 (2):16-19. https://pjp.pps.org.pk/index.php/PJP/article/view/727.