Farlikhatun, Lili, and Ira Hanurawati. 2023. “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 (3):533-37. https://doi.org/10.51601/ijhp.v3i3.197.