I. Gracela, E. Girsang, A. N. Nasution, J. Yuliansyah, and R. V. Putri, “Application of Clitoria ternatea L. Flower Extract Lotion in Preventing the Decrease in Collagen and Epidermis Thickness in Wistar Rats Skin Given Ultraviolet-B Rays”, jppipa, pendidikan ipa, fisika, biologi, kimia, vol. 11, no. 3, pp. 844–853, Mar. 2025.