MUHAMMAD HASSAN VEESAR; DR. AMJED ALI ARAIN. Professional Development and School Head–Teacher Collaboration in Secondary Schools: Evidence from Sukkur Division, Sindh, Pakistan. SOCIAL PRISM, [S. l.], v. 3, n. 4, p. 279–289, 2026. DOI: 10.69671/socialprism.3.4.2026.136. Disponível em: https://www.socialprism.pk/index.php/socialprism/article/view/136. Acesso em: 15 aug. 2026.