Raamatud R. H. Wilcox
Poultry Costs and Profits: Six-year Study of General Farm Flocks and Semi-commercial Flocks
-30% koodiga BOOKS
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Some Important Factors Affecting Costs in hog Production
W. E. Carroll, R. H. Wilcox, T. G. Hornung
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Some Important Factors Affecting Costs in hog Production
W. E. Carroll, R. H. Wilcox, T. G. Hornung
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Figuring Milk Production Costs in Northern Illinois: Results of Study, Ways to Find Costs in Individual Herds
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Management Factors That Influence Farm Profits in Southwest Illinois: A Study Based on Records From More Than A Hundred Farms in the Wheat and Dairy Area Neighboring St. Louis
R H Wilcox, R G Trummel, C W Crickman
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