Astutiningsih C, Anggraeny EN. Gel Formulation of Lipid Nanoparticles and Zn Nanoparticles of Okra Fruit Extract (Abelmoschus Esculentus L.) and Sunscreen Activity Test. Repository [Internet]. 2023Apr.13 [cited 2026Apr.17];00:360-8. Available from: https://repository.stifar.ac.id/Repository/article/view/475