Yazar
Robert B Koopman
4 cilt bulundu.
Cilt sonuçları
Efficency and growth in agriculture
Robert B Koopman · U.S. Dept. of Agriculture, Economic Research Service, Agriculture and Trade Analysis Division
41 sayfa · 1989
Agricultural innovations / Agriculture and state / Agricultural productivity
Efficiency and growth in agriculture
Robert B. Koopman · (P.O. Box 1608, Rockville 20849-1608) ERS-NASS [distributor
41 sayfa · 1989
Agricultural innovations / Agriculture and state / Agricultural productivity
Assessment of the Soviet food program
Robert B Koopman · U.S. Dept. of Agriculture, Economic Research Service, International Economics Division
27 sayfa · 1986
Agriculture and state / Food supply