Eka Sihombing. THE RELATIONSHIP BETWEEN MOTIVATION AND PERFORMANCE OF FAMILY PLANNING FIELD OFFICIALS IN THE CENTER OF THE UPT DEPARTMENT OF PPKB BANDAR DISTRICT SIMALUNGUN DISTRICT. MEDALION [Internet]. 2020 Jun. 30 [cited 2024 Jul. 7];1(2):58-62. Available from: http://medalionjournal.com/index.php/go/article/view/43