Farlikhatun, Lili, and Ira Hanurawati. “The Difference In The Effect Between Abdominal Breathing Techniques And Deep Back Massage On Reducing Labor Pain During The Active Phase I At Cengkareng Hospital In 2022”. International Journal of Health and Pharmaceutical (IJHP) 3, no. 3 (February 7, 2023): 533–537. Accessed April 18, 2025. https://ijhp.net/index.php/IJHP/article/view/197.