E. Elda Ernawati, N. Suryani, A. Sodik, F. H. Maulana, A. Khaerunisa, and D. D. Jayantie, “Effectiveness and Safety Test of Antiaging Serum Combination of Ceremai Fruit (Phyllantus acidus) and Watermelon Rind (Citrullus lanatus) In Vivo”, J Sains Farm Klin, vol. 12, no. 2, pp. 111–118, Nov. 2025.