FITHRI, Najma Annuria et al. Antioxidant Activity Analysis and Standardization of Parkia speciosa (Petai) Pods Ethanol Extract. Science and Technology Indonesia, [S.l.], v. 4, n. 1, p. 5-10, jan. 2019. ISSN 2580-4391. Available at: <http://sciencetechindonesia.com/index.php/jsti/article/view/137>. Date accessed: 17 feb. 2019. doi: https://doi.org/10.26554/sti.2019.4.1.5-10.