Saima Mirani, Afzal Ahmed, Pirah Abbasi, Asma Shaikh and Saima Abbasi 2026. INSTRUCTIONAL LEADERSHIP AND SCHOOL EFFECTIVENESS IN PUBLIC SECONDARY SCHOOLS OF RURAL SINDH: THE MEDIATING ROLE OF TEACHER MOTIVATION AND PROFESSIONAL COMMITMENT. JOURNAL OF SOCIAL RESEARCH DEVELOPMENT. 7, 6 (Aug. 2026), 161–181. DOI:https://doi.org/10.59075/jsrd.v7i6.522.