Dahlan, F.M., Yanti, R., Suralaga, C. and Aulia, Y. 2023. Endorphin Massage on Intensity of Pain in the First Stage of Active Labour. Health and Technology Journal (HTechJ). 1, 4 (Aug. 2023), 420–426. DOI:https://doi.org/10.53713/htechj.v1i4.40.