Yunardi. “THE RELATIONSHIP BETWEEN PARENTS’ SUPPORT WITH THE COOPERATIVE LEVEL OF PRESCHOOL AGED (3-6 YEARS) WHEN MEDICAL AND NURSING PROCEDURES PERFORMED IN MAHONI ROOM VITA INSANI HOSPITAL PEMATANGSIANTAR”. Multidiciplinary Output Research For Actual and International Issue (MORFAI) 2, no. 4 (March 10, 2023): 883–889. Accessed June 21, 2025. https://radjapublika.com/index.php/MORFAI/article/view/715.