Simarmata, Mesrida, and Lisdayanti Simanjuntak. 2020. “Characteristics of Postpartum Mother With Perineum Scars at Trismalia Deli Serdang Clinic, 2020”. Science Midwifery 9 (1, Oktober):40-43. https://www.midwifery.iocspublisher.org/index.php/midwifery/article/view/35.