BERHANU KIBEMO, PUNITHA THAMBIDURAI, & MOORTHY KANNAIYAN. (2018). Review on the Mechanisms of the optimization of Anaerobic Digestion (AD) for Waste Water Treatment: from Economic and Environmental Perspective. International Journal of Pharma and Bio Sciences, 9(1), 275–280. https://doi.org/10.22376/ijpbs.2018.9.1.b275-280