Al-Kamyani سبس, Al Habsi ربس. The instructional leadership of post-basic education school principals and its relationship to the professional performance of teachers in the Sultanate of Oman. Tasnim IJHS [Internet]. 2023 Sep. 28 [cited 2024 Oct. 5];2(3):189-224. Available from: https://tasnim-lb.org/index.php/ijhs/article/view/100