Yazar
donna h roberts
5 cilt bulundu.
Donna H. Roberts · U.S. Dept. of Agriculture, ERS
44 sayfa · 1999
Economic aspects / Economic aspects of Farm produce / Environmental aspects / Environmental aspects of Farm produce / Farm produce
Donna H. Roberts · United States Dept. of Agriculture, Economic Research Service, Agriculture and Trade Analysis Division
160 sayfa · 1991
Agriculture and state / Agriculture and politics / Agricultural subsidies / Agriculture / Economic aspects
Timothy Edward Josling, David Orden, Institute for International Economics (U. S.), Donna H. Roberts · Peterson Institute
254 sayfa · 2004
Food adulteration and inspection / Law and legislation / Government policy / Central government policies / Food manufacturing & related industries
Donna H. Roberts · [Supt. of Docs., U.S. G.P.O., distributor]
57 sayfa · 1986
Commerce / Foreign trade and employment / Produce trade
Donna H. Roberts, David W. Skully · U.S. Dept. of Agriculture, Economic Research Service
97 sayfa · 1994
Agriculture and state / Statistics / Agriculture