Fitri, D.E. et al. 2019. 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, 3 (Feb. 2019), 126–131. DOI:https://doi.org/10.25311/keskom.Vol4.Iss3.294.