[1]
Yahya, M.A. and Nurrosyidah, I.H. 2020. Antioxidant activity ethanol extract of gotu kola (Centella asiatica (L.) Urban) with DPPH method (2,2-Diphenyl-1-Pikrilhidrazil). Journal of Halal Product and Research (JHPR). 3, 2 (Nov. 2020), 106–112. DOI:https://doi.org/10.20473/jhpr.vol.3-issue.2.106-112.