YAHYA, M. A.; NURROSYIDAH, I. H. 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), [S. l.], v. 3, n. 2, p. 106–112, 2020. DOI: 10.20473/jhpr.vol.3-issue.2.106-112. Disponível em: https://e-journal.unair.ac.id/JHPR/article/view/21542. Acesso em: 2 feb. 2025.