T The Effect of back massage on labor pain on mothers giving birth :Literature review: Pengaruh Back Rolling Massage Terhadap Nyeri Persalinan Pada Ibu Bersalin: Literature Review. (2022). Proceeding Of Sari Mulia University Midwifery National Seminars, 4(1), 345-354. https://doi.org/10.33859/2c48tr29