C.RATHANAVEL, and P.THILLAI ARASU. “QUANTIFICATION OF HEAVY METALS AND MINERALS IN SELECTED INDIAN MEDICINAL PLANTS USING ATOMIC ABSORPTION SPECTROPHOTOMETER”. International Journal of Pharma and Bio Sciences, vol. 4, no. 3, Sept. 2013, pp. 897-08, https://ijpbs.net/index.php/journal/article/view/2524.