Ionel Samfira. "CONSIDERATIONS CONCERNING THE IMPACT OF THE BY-PRODUCTS IN THE SUSTAINABLE AGRICULTURE." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings19th, Nano, Bio, Green and Space: Technologies for Sustainable Future (2019): 405-412. https://doi.org/10.5593/sgem2019v/6.3/s10.052