FORMULASI KRIM EKSTRAK BIJI KUPA (Syzygium polycephalum) DAN PENENTUAN NILAI SPF (Sun Protection Factor) SECARA IN VITRO. JIIS (Jurnal Ilmiah Ibnu Sina): Ilmu Farmasi dan Kesehatan, [S. l.], v. 7, n. 2, p. 328–339, 2022. DOI: 10.36387/jiis.v7i2.984. Disponível em: https://e-jurnal.stikes-isfi.ac.id/index.php/JIIS/article/view/984. Acesso em: 25 aug. 2026.