THE RELATIONSHIP OF PREGNANCY EXERCISE TO PERINEAL RUPTURE AMONG PRIMIPAROUS WOMEN AT PMB DINCE SAFRINA OF PEKANBARU IN 2015 -2018. JURNAL IBU DAN ANAK [Internet]. 1 Juni 2020 [dikutip 19 Januari 2026];8(1):8-15. Tersedia pada: https://jurnal.pkr.ac.id/JIA/article/view/285