Pan, Qingshan, Jianqiang Li, Xianlan Chen, Ling Shi, Heping Yan, Bo Zhou, Shijuan Xu, et al. 2015. “Adsorption Isotherm and Kinetics Studies of Chemical Modified Waste Corn Stalk by Urea and Microwave for Removal of Lead(II)”. Asian Journal of Chemistry 27 (8):2939-42. https://doi.org/10.14233/ajchem.2015.18315.