A. A. Abdulrahman, “Experimental and Prediction Using Artificial Neural Network of Bed Porosity and Solid Holdup in Viscous 3-Phase Inverse Fluidization”, alkej, vol. 12, no. 3, pp. 26–37, Dec. 2017, Accessed: Jan. 07, 2026. [Online]. Available: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/305