Development, validity and reliability of web-based education programs and diabetic self-efficacy management instrument among type 2 diabetes mellitus patients in public hospital. JEHS [Internet]. 2026 Jan. 23 [cited 2026 Mar. 21];9(1):35-49. Available from: https://www.ejournal.unimel.edu.my/index.php/JEHS/article/view/2159