Priyantini M, Trisnawati Y. EFEKTIVITAS POSISI TANGAN PENOLONG DALAM PENCEGAHAN RUPTUR PERINEUM PADA PERSALINAN NORMAL. jurkeb [Internet]. 2017Jul.7 [cited 2024May4];9(01):68-3. Available from: https://ejurnal.stikeseub.ac.id/index.php/jkeb/article/view/309