Bahar, Y., F. Sani K, and U. Lestari. “Penentuan Nilai Sun Protection Factor (SPF) Ekstrak Etanol Daun Jeruju (Acanthus Ilicifolius L.) Secara In Vitro”. Indonesian Journal of Pharma Science, vol. 3, no. 2, June 2022, pp. 91-96, https://online-journal.unja.ac.id/IJPS/article/view/15975.