Bogdan-Stefan Negreanu-Pirjol. ADVANCED BIOSOLID BASED ON SEWAGE SLUDGE USED AS ECOLOGICAL PRODUCT IN AGRICULTURE. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference NANO, BIO AND GREEN TECHNOLOGIES FOR A SUSTAINABLE FUTURE, 2013. https://doi.org/10.5593/sgem2013/bf6/s25.003