L. N. Aisyah, I. Yuliani, and R. Yulifah, “The Relationship Between Mothers Age and Duration Of Placental Devotion in the 3rd Stage Of Delivery in Midwife Practices Yulis Aktriani,S.Tr,Keb: bahasa indonesia”, JPK, vol. 12, no. 1, pp. 25–31, Mar. 2023.