TY  - CPAPER
AU  - D. Kwaśniewski
TI  - EFFECTIVENESS OF USE OF MATERIAL EXPENDITURES IN ORGANIC PRODUCTION
T2  - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Ecology, Economics, Education and Legislation
PY  - 2019
SP  - 235
EP  - 242
DO  - 10.5593/sgem2019/5.3/s21.030
PB  - STEF92 Technology
ER  -