., Kudarti, and Ratna Widhayanti. 2019. “KELAS PRENATAL YOGA MENGATASI NYERI PUNGGUNG DAN KRAM: PERSEPSI IBU HAMIL TRIMESTER 3”. Bidan Prada 10 (1). https://jurnal.stikesylpp.ac.id/index.php/JBP/article/view/487.