Amsiyah, S. ., and S. Mardiyanti. “Formulasi Dan Penetapan Nilai SPF Sediaan Losion Tabir Surya Mengandung Ekstrak Daun Jambu Biji Berdaging Putih (Psidium Guajava L.) Secara In Vitro”. PharmaCine : Journal of Pharmacy, Medical and Health Science, vol. 2, no. 2, Sept. 2021, pp. 101-14, doi:10.35706/pc.v2i2.6310.