Lionita NKV, Wintariani NP, Apsari DP. Antiradical Activity of Gonda Plant Extract (Sphenoclea zeylanica Gaertn) Cream using DPPH Method (1,1-diphenyl-2-picrylhydrazyl). JINTO [Internet]. 2023 Mar. 30 [cited 2024 May 7];9(1):52-60. Available from: https://e-journal.unmas.ac.id/index.php/Medicamento/article/view/4575