Dicdiquin, J.B. et al. 2023. Evaluating the Effectiveness of Professional Development Programs for Junior High School Mathematics Teachers in Improving Mathematics Instruction in the K to 12 Curriculum in the Philippines. International Journal of Multidisciplinary: Applied Business and Education Research. 4, 4 (Apr. 2023), 1143–1153. DOI:https://doi.org/10.11594/ijmaber.04.04.12.