Mohammad Suffian James, Redzuan, Paik San H’ng, Norwahyuni Mohd Yusof, Nam Kun Teo, Tung Woey Chew, and D. Rasdianah. 2026. “Activated Carbon from Lignocellulosic Biomass for Biogas Upgrading: Structure, Activation, and Adsorption Mechanisms ”. BioResources 21 (3). https://ojs.bioresources.com/index.php/BRJ/article/view/25283.