S. Al-Rawi, E., Y. Al-Bayati, A. and A. Manaa, S. 2004. On Upwind Galerkin Finite Element Method for Incompressible Flow of Contamination, from Nuclear Waste, in Porous Media. AL-Rafidain Journal of Computer Sciences and Mathematics. 1, 2 (Dec. 2004), 107–126. DOI:https://doi.org/10.33899/csmj.2004.164114 .