Nadia, Melta A., et al. “Determination of Photoprotective Capacity of Topical Gel Formulations Containing Bioactive Compound Rutin and Evaluation of Physicochemical Stability: Http: www.doi.org 10.26538 Tjnpr V7i9.12”. Tropical Journal of Natural Product Research (TJNPR), vol. 7, no. 9, Oct. 2023, pp. 3923-31, https://tjnpr.org/index.php/home/article/view/2621.