Singh, Shripal, and M.K.N. Yenkie. “Adsorption of O-Cresol from Its Aqueous Solution on Granular Activated Carbon Columns”. Asian Journal of Chemistry, vol. 13, no. 4, Mar. 2010, pp. 1349-62, https://asianpubs.org/index.php/ajchem/article/view/22807.