Phongthanapanich, Sutthisak, and Robert Eymard. “A Comparative Study of Characteristic Finite Element and Characteristic Finite Volume Methods for Convection-Diffusion-Reaction Problems on Triangular Grids”. Applied Science and Engineering Progress 12, no. 4 (December 19, 2019): 235–242. Accessed May 19, 2024. https://ph02.tci-thaijo.org/index.php/ijast/article/view/232518.