Mohammed, Malek Mostafa. “Preparation of Zeolite 4A and Studying the Operating Conditions of the Agglomeration in the Inclined Rotary Disk”. Iraqi Journal of Chemical and Petroleum Engineering, vol. 1, no. 1, Dec. 2000, pp. 79-82, https://doi.org/10.31699/IJCPE.2000.1.13.