Chawla, O. P. (1986). Advances in biogas technology. Indian Council of Agricultural research.
Chicago Edition CitationChawla, O P. Advances in Biogas Technology. New Delhi: Indian Council of Agricultural research, 1986.
MLA Edition CitationChawla, O P. Advances in Biogas Technology. Indian Council of Agricultural research, 1986.
Warning: These citations may not always be 100% accurate.