Evaluation of Total Quality Management Opportunity Implementation and Its Effect on The School Administration Development A Field Study on Directors of The Secondary Stage Teaching in Lattakia. Tuj-econ [انترنت]. 4 يونيو، 2019 [وثق 2 نوفمبر، 2026];31(2). موجود في: https://journal.latakia-univ.edu.sy/index.php/econlaw/article/view/7657