M.Karpagavalli, K.R. Sini, B. N. Sinha,. “Determining the Antioxidant Activity of Certain Medicinal Plants of Attapady, (Palakkad), India Using DPPH Assay”. Current Botany 1, no. 1 (January 17, 2011). Accessed April 29, 2024. https://updatepublishing.com/journal/index.php/cb/article/view/1294.