Supriatin, Supriatin, Regidor III Dioso, and Datin Dr. Hafizah Che Hassan. “Innovative Mobile Application for Self-Directed Learning in Massage Therapy: Development and Usability Study”. International Journal of Educational Qualitative Quantitative Research 4, no. 1 (July 31, 2025): 25–35. Accessed May 3, 2026. https://journal.qqrcenter.com/index.php/ijeqqr/article/view/106.