“The Comparison of Diabetes Self Management Education Using Lecturing Method With Booklet and Whatsapp Group Method Against Self Care Behavior of Diabetes Mellitus Patients: Perbandingan Diabetes Self Management Education Metode Ceramah Menggunakan Booklet Dengan Metode Group Whatsapp Terhadap Self Care BehaviorPasien Diabetes Mellitus”. Jurnal kesehatan komunitas (Journal of community health) 4, no. 3 (February 2, 2019): 126–131. Accessed July 29, 2026. https://jurnal.htp.ac.id/index.php/keskom/article/view/294.