Eka Sihombing (2020) “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 JOURNAL: Medical Research, Nursing, Health and Midwife Participation, 1(2), pp. 58–62. doi: 10.59733/medalion.v1i2.43.