Sab’ngatun S, Wuryandari T. Pengaruh Karakteristik Ibu terhadap Lama Persalinan Kala I dengan Metode Gentle Birth. jurbidhip [Internet]. 2019 Feb. 25 [cited 2026 Jun. 19];5:181-8. Available from: https://akbidhipekalongan.ac.id/e-journal/index.php/jurbidhip/article/view/43