Al-Tobi S, Salah Al-Dein ‎ N, Al-Fahdi R. Evaluation of Service Quality in the Training ‎Centers of the Directorates of Education in the ‎Sultanate of Oman Using the Scale of the Gap ‎Between Perceptions and Expectations. JJES [Internet]. 2023 Jun. 1 [cited 2025 Mar. 29];19(2):399-422. Available from: https://jjes.yu.edu.jo/index.php/jjes/article/view/129