Friska Sitorus, and Ronni Naudur Siregar. “Pelaksanaan Yoga Prenatal Dengan Kecemasan Ibu Menghadapi Persalinan Di PMB Ronni Siregar”. Jurnal Abdimas Mutiara 4, no. 1 (February 8, 2023): 315–321. Accessed January 30, 2026. https://e-journal.sari-mutiara.ac.id/index.php/JAM/article/view/4883.