Gracela, I. et al. 2025. 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. Jurnal Penelitian Pendidikan IPA. 11, 3 (Mar. 2025), 844–853. DOI:https://doi.org/10.29303/jppipa.v11i3.10947.