Buvaneswari, N., and C. Kannan. “Identification of Water Polluting Organic Dyes by Tomato Plant Root and Silica through Adsorption Mechanism from Aqueous Solution”. Asian Journal of Chemistry, vol. 23, no. 8, May 2011, pp. 3721-8, https://asianpubs.org/index.php/ajchem/article/view/10678.