Choong, Thomas Y, William R Paterson, and David M Scoot. “A Neat Way to Calculate the Gas Velocity from the Ergun Equation in a Packed Bed”. ASEAN Journal of Chemical Engineering 4, no. 1 (December 31, 2004): 8-10. Accessed November 24, 2024. https://journal.ugm.ac.id/v3/AJChE/article/view/7578.