حمدان م. . “Evaluating The Quality Performance of Sub-Services Provided in Universities from The Students’ Point of View (A Field Study on Students of Private Syrian Universities in The Syrian Coast)”. Tishreen University Journal- Economic and Legal Sciences Series, vol. 43, no. 5, Nov. 2021, https://journal.tishreen.edu.sy/index.php/econlaw/article/view/11065.