Anggrita Sari, Siti Sarah Citra Hati, R. Topan Aditya Rahman. “Hypnobirthing and Prenatal Yoga on Pain and Labor Duration: Literature Review”. Pakistan Journal of Medical & Health Sciences 16, no. 03 (March 27, 2022): 2. Accessed September 27, 2024. https://pjmhsonline.com/index.php/pjmhs/article/view/194.