Sukarsa, R. A. (2020) “Effect of Vitamin D3 Supplementation on Levator Ani Muscle Strength in Primipara Pregnancy with Post-partum Vitamin D3 Deficiency : Efek Suplementasi Vitamin D pada Kekuatan Otot Levator Ani pada Kehamilan Primipara dengan Defi siensi Vitamin D3 Pascapersalinan”, Indonesian Journal of Obstetrics and Gynecology, 8(4), pp. 231–236. doi: 10.32771/inajog.v8i4.1063.