Purnamasari, D., M. Safithri, and D. Andrianto. “In Vitro Evaluation of Purple Sweet Potato Leaf Extract (Ipomoea Batatas) As a Tyrosinase Inhibitor and Malondialdehyde Formation Inhibitor”. Indonesian Journal of Applied Research (IJAR), Vol. 5, no. 1, Apr. 2024, pp. 64-74, doi:10.30997/ijar.v5i1.384.