E. . Groenewald, O. K. Kilag, M. C. Cabuenas, J. Camangyan, J. M. Abapo, and C. F. Abendan, “The Influence of Principals’ Instructional Leadership on the Professional Performance of Teachers”, Int. Multidiscip. J. Res. Innov. Sustain. Excell. , vol. 1, no. 1, pp. 268–274, Jun. 2024, Accessed: Aug. 26, 2026. [Online]. Available: https://risejournals.org/index.php/imjrise/article/view/483