Fitri, Nina, and Olivia Putri Gumanti. 2022. “PERBANDINGAN POSISI TEGAK (UPRIGHT) DAN ACTIVE BIRTH TERHADAP LAMANYA KALA I PERSALINAN PADA IBU PRIMIPARA”. Maternal Child Health Care 1 (2):94-103. https://doi.org/10.32883/mchc.v1i2.1608.