Fithri, N.A., Fitrya, F., Shabrina, T. and Yulanri, D. 2019. Antioxidant Activity Analysis and Standardization of Parkia speciosa (Petai) Pods Ethanol Extract. Science and Technology Indonesia. 4, 1 (Jan. 2019), 5–10. DOI:https://doi.org/10.26554/sti.2019.4.1.5-10.