THE EFFECT OF HYPNOBIRTHING ON THE LENGTH OF THE FIRST STAGE OF LABORAT PMB PEKANBARU CITY. JURNAL IBU DAN ANAK, [S. l.], v. 10, n. 2, p. 119–123, 2022. DOI: 10.36929/jia.v10i2.629. Disponível em: https://jurnal.pkr.ac.id/index.php/JIA/article/view/629. Acesso em: 17 jan. 2026.