Pratiwi, M., N. Vista, W. Wati, and S. Wahyuni. “Sleepy Melodies: Android-Based Application For Hypno Sleeping Process In Babies 0-6 Months”. Journal of Maternal and Child Health Sciences (JMCHS), Vol. 3, no. 2, Dec. 2023, pp. 115-26, doi:10.36086/maternalandchild.v3i2.2080.