Reños, Grecilyn, and Pepa Pontillas. “Classroom Observation and Teachers’ Professional Development Activities: Basis for Intervention Plan”. American Journal of Arts and Human Science 3, no. 3 (July 3, 2024): 71–93. Accessed June 19, 2026. https://journals.e-palli.com/home/index.php/ajahs/article/view/3077.