Masdalifa Pasaribu. (2022). ANALYSIS OF THE EFFECTIVENESS OF THE ELDERLY HEALTHY BEHAVIOR MODEL WITH THE THEORY OF PLANNED BEHAVIOR APPROACH IN PANTAI LABU DISTRICT, DELI SERDANG. MEDALION JOURNAL: Medical Research, Nursing, Health and Midwife Participation, 3(3), 201–215. https://doi.org/10.59733/medalion.v4i4.135