Mohammed, Malek. “Effect of Using Two Binders on the Agglomeration of Zeolite Type 4A”. Iraqi Journal of Chemical and Petroleum Engineering 3, no. 3 (September 30, 2002): 1-4. Accessed November 30, 2019. http://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/631.