S. C. Nelwan, U. . Tedjosasongko, D. . Dharmawan, L. M. . Leo, H. A. . Ardiana, and S. . Rahmawati, “The Combination of Ultraviolet-B and Vitamin K2 Exposure Effect on Fibroblast-like cell Number in Wistar Rats”, IJDM, vol. 6, no. 1, pp. 19–23, May 2023.