Afriani, Linda, Mutmainnah, and Sunarni. “Understanding the Design of Research and Development Methods in the Field of Education”. IJESS International Journal of Education and Social Science 6, no. 1 (April 15, 2025): 1–5. Accessed January 18, 2026. https://ejournal.aissrd.org/index.php/ijess/article/view/333.