Astuti S, Aryani Y, Susilawati E. Efectiveness of Birth Ball and Counterpressure on Labor Pain in The Siti Julaeha Midwife Practice, Pekanbaru City. JIA [Internet]. 30Nov.2022 [cited 19Apr.2024];10(2):75-1. Available from: https://jurnal.pkr.ac.id/index.php/JIA/article/view/585