Hardyanti ining, HarahapJ., & LailaA. (2020). THE RELATIONSHIP OF PREGNANCY EXERCISE TO PERINEAL RUPTURE AMONG PRIMIPAROUS WOMEN AT PMB DINCE SAFRINA OF PEKANBARU IN 2015 -2018. JURNAL IBU DAN ANAK, 8(1), 8-15. https://doi.org/10.36929/jia.v8i1.285