@incollection{Kannah19, author = {J. Rajesh Banu and R. Yukesh Kannah}, title = {Introductory Chapter: An Overview of Biogas}, booktitle = {Anaerobic Digestion}, publisher = {IntechOpen}, address = {Rijeka}, year = {2019}, editor = {J. Rajesh Banu}, chapter = {1}, doi = {10.5772/intechopen.82198}, url = {https://doi.org/10.5772/intechopen.82198} }