Cavas, L. “Comment on Equilibrium Sorption Isotherm Studies of Cd(II), Pb(II) and Zn (II) Ions Detoxification from Waste Water Using Unmodified and EDTA-Modified Maize Husk”. Electronic Journal of Biotechnology, vol. 11, no. 2, Apr. 2008, pp. 0-0, https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v11n2-15.