Puspitasari, L. “EFEKTIFITAS TEKNIK EFFLEURAGE DAN COUNTER PRESSURE VERTEBRA SACRALIS TERHADAP PENURUNAN NYERI PERSALINAN KALA I”. Jurnal Kebidanan, Vol. 12, no. 01, June 2020, pp. 46-56, doi:10.35872/jurkeb.v12i01.364.