Rahman, M., S. Mia, A. Nessa, M. Badhan, and M. Islam. “Reducing the Volume of Garbage and Production of Biogas through Anaerobic Decomposition”. Journal of Environmental Science and Natural Resources, vol. 8, no. 2, Feb. 2016, pp. 33-36, doi:10.3329/jesnr.v8i2.26861.