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Pig Management Scheme Results
David A. Burton
Ford Gibson Sturrock
Hugh William Thomas Kerr
John E. Farrar
R. Evans
Stanley Robson
William John Kelsey Thomas
出版
University of Manchester, Department of Agricultural Economics
, 1977
ISBN
0704906864
9780704906860
URL
http://books.google.com.hk/books?id=5C6-0AEACAAJ&hl=&source=gbs_api