Rujescu Ciprian Ioan. "MINIMIZATION PLAN OF NITROGEN FERTILIZERS ALLOCATION, DICTATED BY THE AGRICULTURAL MARKET." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 14th SGEM GeoConference on ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION, 2014. https://doi.org/10.5593/sgem2014/b53/s21.037