Shokshk, Ali A., and Mostafa A. Shokshok. 2021. “EFFECTS OF THE COMBINATION POSTURES OF TRUNK, SHOULDER AND LEG ON PERCEIVED EXERTION IN MANUAL HANDLING TOOLS”. Conference On Engineering Science and Technology 6 (5، مجلة الجامعة الأسمرية). https://conf.asmarya.edu.ly/index.php/cest2021/article/view/133.