syam, S. and St. Subriani (2024) “Effect of Oxytocin Massage on Changes in Oxytocin Hormone Concentration in Pregnant Women”, Viva Medika: Jurnal Kesehatan, Kebidanan dan Keperawatan, 17(2), pp. 360–367. doi: 10.35960/vm.v17i2.1407.