Furi, Mustika, Armon Fernando, and Musyirna Rahmah Nasution. “Uji Aktivitas Tabir Surya Ekstrak Etanol Daging Buah Jambu Biji Merah Dan Jambu Biji Putih (Psidium Guajava L.)”. Jurnal Penelitian Farmasi Indonesia 7, no. 2 (May 1, 2019): 57–60. Accessed May 2, 2024. https://ejournal.stifar-riau.ac.id/index.php/jpfi/article/view/483.