Abu Al-Nadi, Maram Fouad, and Dina Mohamed Said Qarashay. “Factors Influencing the Sustainability of Quality Performance from the Viewpoint of Teaching Staff: An Applied Study at the University of Petra”. International Journal of Learning, Teaching and Educational Research 19, no. 4 (April 30, 2020): 44–61. Accessed May 28, 2026. https://www.ijlter.myres.net/index.php/ijlter/article/view/361.