Jusuf, Muhamad Isman, Sitti Fatimah Arsyad, and Dwi Veraningseh. 2023. “The Effect of Classical Music on the Duration of Sleep of Babies Aged 0-28 Days”. British Journal of Nursing Studies 3 (1):10-16. https://doi.org/10.32996/bjns.2023.3.1.3.