Experimental and Numerical Investigation of Laminar Burning Velocities of Artificial Biogas Under Various Pressure and CO2 ConcentrationWillyanto Anggono, Akihiro Hayakawa, Ekenechukwu C. Okafor and Gabriel Jeremy GotamaE3S Web Conf., 130 (2019) 01037DOI: https://doi.org/10.1051/e3sconf/201913001037