Panjaitan , R. Z. S., H. Nasif, and Y. O. Sari. “The Effect of Counselling on Adherence in Patients With Type 2 Diabetes Mellitus at the Internal Medicine Polyclinic of Dr. Ferdinand Lumbantobing General Hospital Sibolga”. Journal of Pharmaceutical and Sciences, vol. 8, no. 3, Aug. 2025, pp. 1713-20, doi:10.36490/journal-jps.com.v8i3.912.