Sujan, SMA, MS Bashar, M Rahaman, MN Haque, MY Miah, MS Jamal, and SK Banik. 2011. “Optimization of Aeration Technique for the Reduction of Impurities (Corrosive Gases) from Biogas”. Bangladesh Journal of Scientific and Industrial Research 46 (3):339-42. https://doi.org/10.3329/bjsir.v46i3.9040.