Yulinda Laska, Erika Fariningsih and Sherly Mutiara 2021. EFFECT OF NATURE SOUNDS MUSIC THERAPY DURATION ON BLOOD PRESSURE AMONG PRIMIPAROUS POSTPARTUM WOMEN. International Journal of Social Science. 1, 2 (Aug. 2021), 101–104. DOI:https://doi.org/10.53625/ijss.v1i2.142.