Rochmawati, Arva, and Dwi Ris Hasanah. “Hypnobirthing Counseling for Pregnant Women at Mahdalena Pane Clinic in 2019”. Science Midwifery, vol. 8, no. 2, April, Apr. 2020, pp. 97-100, https://www.midwifery.iocspublisher.org/index.php/midwifery/article/view/418.