Dussadee, Natthawud, Kamoldara Reansuwan, Rameshprabu Ramaraj, and Yuwalee Unpaprom. 2022. “Removal of CO2 and H2S from biogas and enhanced compressed bio-methane gas production from swine manure and elephant grass”. Maejo International Journal of Energy and Environmental Communication 4 (3):39-46. https://doi.org/10.54279/mijeec.v4i3.248270.