Junaida, R. 2021. Penerapan Deep Back Massage Terhadap Pengurangan Nyeri Persalinan Kala 1. Jurnal Ilmiah Kesehatan BPI. 5, 2 (Aug. 2021), 48–53. DOI:https://doi.org/10.58813/stikesbpi.v5i2.23.