E. Ernawati, N. Suryani, S. Nuramalia, A. Anisah, and R. W. Yustika, “Standardization of Ceremai Fruit Extract (Phyllanthus acidus L. Skeels) and Elastase Enzyme Inhibition Activity”, JKK, vol. 6, no. 2, pp. 145-155, Jan. 2024.