The Impact of Teachers Collaboration and Principal Leadership on Teacher effectiveness through multiple dimensions of Self-Efficacy: An analysis through Structural Equation Modelling Approach. UCP Journal of Business Perspectives, [S. l.], v. 3, n. 2, p. 54–69, 2026. DOI: 10.24312/ucp-jbp.03.02.724. Disponível em: https://ojs.ucp.edu.pk/index.php/jbp/article/view/724. Acesso em: 26 feb. 2026.