TAHIRA JABEEN, ABID HUSSAIN CH. A CAUSAL COMPARATIVE STUDY OF LEADERSHIP COMPETENCIES AND SCHOOL CULTURE OF SECONDARY SCHOOLS IN PUNJAB. Pakistan Journal of Educational Research , [S. l.], v. 4, n. 4, 2021. DOI: 10.52337/pjer.v4i4.402. Disponível em: https://pjer.org/index.php/pjer/article/view/402. Acesso em: 25 aug. 2026.