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. [internet]. 2023 Mar. 29 [cited 2025 Dec. 6];45(1). available from: https://ph01.tci-thaijo.org/index.php/aer/article/view/251061