Halenita Saliani. “EFEKTIVITAS COUNTERPREASSURE TERHADAP PENURUNANI NTENSITAS NYERI KALA I FASE AKTIF PERSALINAN NORMAL DI RUANG BERSALIN RUMAH SAKIT ADVENT MANADO”. Jurnal Kesehatan Amanah, vol. 2, no. 1, June 2022, pp. 9-12, https://ejournal.unimman.ac.id/index.php/jka/article/view/39.