2.
A critical review of biogas production and usage with legislations framework across the globe
S. Abanades, H. Abbaspour, A. Ahmadi, B. Das, M. Ehyaei, F. Esmaeilion, Haj El, T. Hajilounezhad, D. Jamali, A. Hmida, H. Ozgoli, S. Safari, M. AlShabi, E. Bani-Hani
International Journal of Environmental Science and Technology