Winasty, Silvi, et al. “Pengaruh Lantunan Ayat Al-Quran Terhadap Kebutuhan Opioid Tambahan Pascaseksio Sesarea”. Jurnal Anestesi Perioperatif, vol. 7, no. 2, Aug. 2019, pp. 116-23, doi:10.15851/jap.v7n2.1756.