K. O R and R. B, “PHYTOCHEMICAL SCREENING AND IN VITRO ANTIOXIDANT ACTIVITIES OF LEAF EXTRACTS OF ALTERNANTHERA BRASILIANA (L). KUNTZE AND ALTERNANTHERA BETTZICKIANA REGEL”., Asian J Pharm Clin Res, vol. 11, no. 6, pp. 266–272, Jun. 2018.