D. R. fitri, S. Prophet, D. Komarudin, I. R. Fatria Fajar, and A. Riyanto, “Preservative Efectiveness Test of Dry Water Extract of Gambier (Uncaria Gambir Roxb.) In Cream Type of Cosmetics”, SANITAS, vol. 14, no. 2, pp. 73–84, Dec. 2023.