Abdurrahman, A. et al. 2026. Biomass-Derived Hydrogen Donor and Equilibrated Zeolite Assisted Upgrading of Extra Heavy Bitumen: Reactor Response, Viscosity Reduction, and Compositional Shift. FUDMA Journal of Sciences. 10, 21 (Nov. 2026), 176–182. DOI:https://doi.org/10.33003/fjs-2026-1021-5826.