Duman, O., C. Özdemir, A. Demiröz, and M. K. Oden. “Removal of Zn<sup>+2</sup> and Pb<sup>+2</sup> From Wastewater by Using Natural Nano Montmorillonites”. Asian Journal of Engineering and Technology, vol. 2, no. 5, Oct. 2014, https://ajouronline.com/index.php/AJET/article/view/1717.