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An Economic Evaluation of Alternative Forage Handl...
作者
Gayle Steven Willett
出版1966
ISBN
WISC:89014952741
主題
Dairy cattle
An Economic Analysis of Computerized Grain Feeding...
作者
Greg C. Wildhaber / Gayle Steven Willett
出版1985
ISBN
UIUC:30112054436594
主題
Dairy cattle
Planning for Dairy Farm Expansion
作者
Gayle Steven Willett
出版1972
ISBN
WISC:89101585172
主題
Dairy farms
Guidelines for Analyzing the Dairy Farm Business
作者
Gayle Steven Willett
出版1973
ISBN
WISC:89101589091
主題
Dairy farming
Dairy Cow Prices
作者
Gayle Steven Willett
出版1979
ISBN
UIUC:30112048273624
主題
Dairy cattle
Costs of Farm Machinery
作者
Gayle Steven Willett
出版1972
ISBN
WISC:89099261778
主題
Agricultural machinery
Federal Income Tax Management Principles for Farme...
作者
Gayle Steven Willett / Manning Henry Becker
出版1983
ISBN
UIUC:30112048283789
主題
Farmers
Production Practices Used by Wisconsin Dairy Farme...
作者
William E. Saupe / Norman Delmar Kimball / Gayle Steven Willett
出版1973
ISBN
WISC:89101585776
主題
Dairy cattle
The Perceptions of Minnesota's Community Education...
作者
Gayle Jasmin Whitesell
出版2000
ISBN
MINN:31951P00754779L
The Costs of Owning and Operating Farm Machinery i...
作者
Robert Louis Smathers
出版1989
ISBN
WISC:89044336519
主題
Agricultural machinery
Milk Production
作者
United States. Department of Agriculture. Economic Research Service
出版1985
ISBN
OCLC:631554236
The Costs of Owning and Operating Farm Machinery i...
作者
Gayle S. Willett / Robert Louis Smathers / Pacific Northwest Cooperative Extension
出版1980
ISBN
OCLC:27971517
主題
Agricultural machinery