Shafer. Global crop waste burning – micro-biochar; how a small community development organization learned experientially to address a huge problem one tiny field at a time. Sustainable Earth. 2020, 3. S2CID 227122083. doi:10.1186/s42055-020-00037-y.
Kokieva, G. E.; Protodiakonova, G. P.; Dondokov, U. Z.; Shalbuev, D. V.; Voinash, SA. Production of Biogas using method of agricultural waste fermentation. Iop Conference Series: Materials Science and Engineering. 2020, 941 (1): 012019. Bibcode:2020MS&E..941a2019K. S2CID 234430421. doi:10.1088/1757-899X/941/1/012019.
Kokieva, G. E.; Protodiakonova, G. P.; Dondokov, U. Z.; Shalbuev, D. V.; Voinash, SA. Production of Biogas using method of agricultural waste fermentation. Iop Conference Series: Materials Science and Engineering. 2020, 941 (1): 012019. Bibcode:2020MS&E..941a2019K. S2CID 234430421. doi:10.1088/1757-899X/941/1/012019.
Shafer. Global crop waste burning – micro-biochar; how a small community development organization learned experientially to address a huge problem one tiny field at a time. Sustainable Earth. 2020, 3. S2CID 227122083. doi:10.1186/s42055-020-00037-y.
Kokieva, G. E.; Protodiakonova, G. P.; Dondokov, U. Z.; Shalbuev, D. V.; Voinash, SA. Production of Biogas using method of agricultural waste fermentation. Iop Conference Series: Materials Science and Engineering. 2020, 941 (1): 012019. Bibcode:2020MS&E..941a2019K. S2CID 234430421. doi:10.1088/1757-899X/941/1/012019.