Natalia, Devira, et al. “The Correlation of the Open Dry Treatment to Umbilical Cord Separation Time on Newborns”. Jurnal Ners Dan Kebidanan (Journal of Ners and Midwifery), vol. 9, no. 1, Apr. 2022, pp. 079-83, doi:10.26699/jnk.v9i1.ART.p079-083.