Merliza, Pika, and Heri Retnawati. “Continuing Professional Development (CPD) for Junior High School Mathematics Teachers: An Evaluation Study”. REID (Research and Evaluation in Education) 4, no. 1 (July 1, 2018): 79–93. Accessed May 8, 2025. https://journal.uny.ac.id/index.php/reid/article/view/18757.