Muldaniyah, M., I. S. Wahyuni, R. Malinda, N. Y. Susanti, and L. Fitria. “The Effect of Deep Breathing Relax Technique on Labor Pain Intensity in the Active Phase”. International Journal of Health & Medical Sciences, vol. 6, no. 1, Feb. 2023, pp. 17-22, doi:10.21744/ijhms.v6n1.2080.