Samina Gul, Awais Iqbal. IMPACT OF SCHOOL HEADS’ SUPERVISORY PRACTICES ON TEACHERS’ INSTRUCTIONAL PERFORMANCE: EVIDENCE FROM SECONDARY SCHOOLS IN DISTRICT BHAKKAR, PAKISTAN. JSSD [Internet]. 2026 May 29 [cited 2026 Oct. 28];5(3):200-1. Available from: https://jssd.org.pk/index.php/jssd/article/view/389