SAMINA GUL; AWAIS IQBAL. IMPACT OF SCHOOL HEADS’ SUPERVISORY PRACTICES ON TEACHERS’ INSTRUCTIONAL PERFORMANCE: EVIDENCE FROM SECONDARY SCHOOLS IN DISTRICT BHAKKAR, PAKISTAN. JOURNAL OF SOCIAL SCIENCES DEVELOPMENT, [S. l.], v. 5, n. 3, p. 200–210, 2026. DOI: 10.59075/jssd.v5i3.389. Disponível em: https://jssd.org.pk/index.php/jssd/article/view/389. Acesso em: 28 oct. 2026.