Dr. Rabia Abdul Karim, Shazia Inayat Ali, and Nadia Parveen Thalho, “A RESEARCH PROJECT REGARDING THE EFFECTS OF HEAVY SCHOOL BAGS ON THE PHYSICAL HEALTH OF STUDENTS OF PRIMARY LEVEL IN KARACHI”, J Arch.Egyptol, vol. 18, no. 08, pp. 3327-3343, Jul. 2021.