FITRIYANTI, F. Upright Position terhadap Intensitas Nyeri dan Kala I Fase Aktif pada Primigravida. Health Information : Jurnal Penelitian, [S. l.], v. 15, n. 1, 2023. DOI: 10.36990/hijp.v15i1.727. Disponível em: https://myjurnal.poltekkes-kdi.ac.id/index.php/hijp/article/view/727. Acesso em: 10 mar. 2026.