DUMRUANGSRI, Chananchida, Prukraya PONGYEELA, and Juntima CHUNGSIRIPORN. “Biogas Upgrading to Biomethane by CO2 Removal Using Water Absorber With Microbubble Technique”. Walailak Journal of Science and Technology (WJST) 18, no. 10 (May 14, 2021): Article 9304 (13 pages). Accessed May 1, 2024. https://wjst.wu.ac.th/index.php/wjst/article/view/9304.