Hasanah N, Yuniart R, Nasution HM, Rahayu YP. Antioxidant activity of citrus leaf ethanol extract (Citrus nobilis L.) using the DPPH method (1,1-Diphenyl-2-Picrylhydrazyl). JPS [Internet]. 2023 Aug. 16 [cited 2025 Jan. 2];6(3):1416-24. Available from: https://journal-jps.com/new/index.php/jps/article/view/204