Jumaa, S. Q., & Al- Humedi, H. O. (2026). SOLVING TWO-DIMENSIONAL TIME-SPACE FRACTIONAL DIFFUSION PROBLEM BY USING LEAST-SQUARES-PETROV-GALERKIN METHOD. International Journal Multidisciplinary (IJMI), 3(2), 300–315. https://doi.org/10.61796/ijmi.v3i2.459