Sheema Chang, Shazma Nandwani. SCHOOL LEADERS’ PERCIEVED ROLES IN SCHOOL-BASED PROFESSIONAL DEVELOPMENT OF TEACHERS: A CASE STUDY OF A PRIVATE SECTOR SCHOOL OF DISTRICT SUKKUR, SINDH. brjhss [Internet]. 2023 Jun. 30 [cited 2025 Sep. 29];2(1). Available from: https://www.brjhss.com/index.php/brjhss/article/view/40