Avianka, V., Mardhiani, Y. D., & Santoso, R. (2022). Studi Pustaka Peningkatan Nilai SPF (Sun Protection Factor) pada Tabir Surya dengan Penambahan Bahan Alam: Review: Additional Natural Materials to Enhance SPF (Sun Protection Factor) Value of Sunscreen Product. Jurnal Sains Dan Kesehatan, 4(1), 79–88. https://doi.org/10.25026/jsk.v4i1.664