Wiwi Kustio, P. “Pengaruh Musik Terhadap Kecemasan Ibu Selama Kangaroo Mother Care Di Yogyakarta”. Jurnal Keperawatan Notokusumo, vol. 1, no. 1, Aug. 2013, https://jurnal.stikes-notokusumo.ac.id/index.php/jkn/article/view/9.