Supriatin, S., R. I. Dioso, and D. D. H. C. Hassan. “Innovative Mobile Application for Self-Directed Learning in Massage Therapy: Development and Usability Study”. International Journal of Educational Qualitative Quantitative Research, vol. 4, no. 1, July 2025, pp. 25-35, doi:10.58418/ijeqqr.v4i1.106.