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Cilt sonuçları
Cost of raising market turkeys in western Oregon, 1949
Edgar A. Hyer · Agricultural Experiment Station, Oregon State College
Sayfa sayısı yok · 1951
Cost of operation / Turkeys / Turkey industry
An economic study of improved pastures
Edgar A. Hyer · Agricultural Experiment Station, Oregon State College
35 sayfa · 1952
Economic aspects / Economic aspects of Pastures / Pastures