sembiring, dessy. 2022. “Factors Related to the Selection of 1 Month Injecting Contraception in Age Couples Fertile (Pus) at Niar Maternity Home’s Percut Sei Master District Regency Deli Serdang”. Science Midwifery 10 (5), 3834-40. https://doi.org/10.35335/midwifery.v10i5.945.