Yazar
Mark Gehlhar
2 cilt bulundu.
Cilt sonuçları
U.S. export performance in agricultural markets
Mark J Gehlhar · U.S. Dept. of Agriculture, ERS
15 sayfa · 1997
Marketing / Exports / Farm produce / Market share
Effects of increased biofuels on the U.S. economy in 2022
Mark Gehlhar · United States Dept. of Agriculture, Economic Research Service
29 sayfa · 2010
Biomass energy / Forecasting / Ethanol as fuel / Renewable energy sources / Technological innovations