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. J Keskom 2019, 4 (3), 126-131. https://doi.org/10.25311/keskom.Vol4.Iss3.294.