Sangnak, S. .; Neramittagapong, A. .; Neramittagapong, S. .; Theerakulpisut, S. .; Sriprom, P. . Optimization of Vanillin Production from Lignin Using Catalytic Depolymerization over a CuO/Al2O3 Catalyst. App. Envi. Res. 2023, 45.