Yazar
j b wyckoff
9 cilt bulundu.
J. B. Wyckoff · Washington Agricultural Experiment Stations, Institute of Agricultural Sciences, Washington State University
40 sayfa · 1962
Transportation / Cattle
J. B. Wyckoff · Oregon State University Extension Service
18 sayfa · 1981
Public opinion / Agricultural laws and legislation / Agriculture and state / Attitudes / Farmers
J. B. Wyckoff · Oregon State University Extension Service
21 sayfa · 1981
Agriculture / Decision making / Economic aspects / Economic aspects of Agriculture / Management
J. B. Wyckoff · Agricultural Experiment Station, Oregon State University
31 sayfa · 1977
Farm corporations / Statistics
J. B. Wyckoff, Mandivamba Rukuni · UZ/MSU Food Security Research in Southern Africa Project, Dept. of Agricultural Economics and Extensions, University of Zimbabwe
339 sayfa · 1992
Food supply / Congresses / Agriculture
Mandivamba Rukuni, J. B. Wyckoff · UZ/MSU Food Security Research in Southern African Project, Dept. of Agricultural Economics and Extension, University of Zimbabwe
294 sayfa · 1991
Grain trade / Agriculture / Food supply / Nutrition policy / Research