Alok Srivastava1 and V.P. Singh1, M. K. V. K. S. “Cytogenetic Effects of Individual and Combined Treatment of Cd2+, Cu2+ and Zn2+ in Vigna Radiata (L.) Wilczeck”. Journal of Phytology, vol. 3, no. 8, July 2011, https://www.updatepublishing.com/journal/index.php/jp/article/view/2309.