Tengah, Armah, Wan Faizah Wan Yusoff, and Helmi Sajali. “Integration of Mobile Technology in Diabetes Self-Management Education: The Effectiveness of Android App-Based DM Calendar on Self-Efficacy and HbA1c Levels in Type 2 Diabetes Mellitus Patients”. Journal of Health Innovation and Environmental Education 2, no. 2 (December 30, 2025): 195-201. Accessed January 1, 2026. https://cahaya-ic.com/index.php/JHIEE/article/view/2597.