Bayona, A. J. F., Malang, B. P., Malang, J. D., Poso, K. A. L., & Facturanan, M. D. (2026). Leadership Competencies and Role Effectiveness of Managers: A Case Study in Selected Public Sectors of Quezon City for Basic and Applied Management Research Journal. International Journal of Multidisciplinary: Applied Business and Education Research, 7(1), 430-440. https://doi.org/10.11594/ijmaber.07.01.32