I. Elhadi, E. ., A. Fakroon, M. . and A. Buzghaiba, A. . (2022) “Solving the unsteady linear advection diffusion equations by using the totally volume in- tegral of the local discontinuous Galerkin method. 1”, Libyan Journal of Science &Technology, 11(1). doi: 10.37376/ljst.v11i1.2436.