ANALYSIS OF COMMUNICATION NETWORKS ON THE EFFECTIVENESS OF IEC REGARDING CONTRACEPTIVE METHODS IN FAMILY PLANNING VILLAGE, GAHARU DISTRICT, MEDAN CITY. kkb [Internet]. 2024 Dec. 3 [cited 2026 Jan. 18];:43-55. Available from: https://jkb.ojsentra.co.id/index.php/kkb/article/view/359