S. Al-Rawi, E., Y. Al-Bayati, A. and A. Manaa, S. (2008) “A kind of Upwind Finite Element Approximations for Compressible Flow of Contamination from Nuclear Waste in Porous Media”, AL-Rafidain Journal of Computer Sciences and Mathematics, 5(2), pp. 19–37. doi: 10.33899/csmj.2008.163968 .