Nafaisa, H. Y. A., F. Waskito, R. Martien, and R. Danarti. “The Effectiveness of Topical Vitamin D3 for Dry Skin in Elderly”. Indonesian Journal of Biomedicine and Clinical Sciences, Vol. 56, no. 01, Jan. 2024, pp. 22-28, doi:10.22146/inajbcs.v56i01.11961.