Mohammed, Abdul-Halim A.K., Hussein Q. Hussein, and Mohammed Sabah Mohammed. 2017. “The Effect of Crystallization Time and Acid Type on the Synthesis of Nano-Gamma Alumina Using Double Hydrothermal Method”. Iraqi Journal of Chemical and Petroleum Engineering 18 (2): 1-11. https://doi.org/10.31699/IJCPE.2017.2.1.