N. Al Khouli, Ghait A, Abogazya AA. THE EFFECT WEIGHT OF BACKPACK ON POSTURAL CONTROL AMONG PREP SCHOOL STUDENTS IN TANTA CITY . Int. J. Eng. Tech. Mgmt. Res. [Internet]. 2018 Sep. 30 [cited 2024 Apr. 20];5(9):23-9. Available from: https://www.granthaalayahpublication.org/ijetmr-ojms/ijetmr/article/view/04_IJETMR18_A09_512