RASHID ALHAJRI; AHMED AL-HADRAMI. The Relationship Between Private Lessons and Academic Achievement Among Students in Grades (9-12) in the Sultanate of Oman. Kurdish Studies, [S. l.], v. 12, n. 1, p. 202–213, 2024. DOI: 10.67145/ks.v12i1.564. Disponível em: https://kurdishstudies.net/menu-script/index.php/KS/article/view/564. Acesso em: 17 oct. 2026.