FARIDA KUMALASARI; RAHMAT HIDAYAT; TIARA AJENG LISTIYANI. Evaluation Of Sun Protection Factor Value Of Water, Ethyl Acetate, And N-Hexane Fractions Of Ethanolic Extract Of Crystal Guava Fruit (Psidium Guajava. L.) By UV-VIS Spectrophotometry. International Journal of Health Engineering and Technology, [S. l.], v. 4, n. 6, 2026. DOI: 10.55227/ijhet.v4i6.661. Disponível em: https://www.afdifaljournal.com/journal/index.php/ijhet/article/view/661. Acesso em: 17 jun. 2026.