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. Jordan Journal of Educational Sciences, [S. l.], v. 19, n. 2, p. 399–422, 2023. DOI: 10.47015/19.2.9. Disponível em: https://jjes.yu.edu.jo/index.php/jjes/article/view/129. Acesso em: 29 mar. 2025.