Palazo, Edelyne. “Instructional Leadership and Professional Learning Community Engagement in Relation to Teacher Competence in Public Elementary Schools of Rizal District”. International Journal of Sustainability and Advanced Integrated Research 2, no. 2 (April 15, 2026): 579–584. Accessed October 18, 2026. https://serverojs1-ijsair.sharkcluster.com/index.php/ijsair/article/view/280.