erna setyaningsih, Rizqitha, Diah Widyatun, and Mariza Mustika Dewi, “THE EFFECT OF SKIN-TO-SKIN CONTACT ON SLEEP QUALITY IN BABIES AGED 0-6 MONTHS: THE EFFECT OF SKIN-TO-SKIN CONTACT ON SLEEP QUALITY IN BABIES AGED 0-6 MONTHS”, j. Health. appl. sci. and. technol., vol. 4, no. 2, pp. 146–151, Sep. 2026.