O. J. Cabio and A. Bongcawil, “School Heads’ Administrative and Instructional Supervision Skills and Teachers’ Performance”, Int. Multidiscip. J. Res. Innov. Sustain. Excell. , vol. 2, no. 9, pp. 47–60, Sep. 2025, Accessed: Aug. 06, 2026. [Online]. Available: https://risejournals.org/index.php/imjrise/article/view/1397