Digby, Margaret, author
Agricultural co-operation in the commonwealth / Margaret Digby
Basil Blackwell , 1956
 Buku Teks
Tung, Ta-Lin, author
Agricultural co-operation in China
Foreign Languages Press, 1959
 Buku Teks
Year book of agricultural co-operation 1950 / edited by the Horace Plumkedd Foundation
Basil Blackwell , 1950
 Buku Teks
de Lauwe, Chombart, author
Problems of agricultural co-operation : case study in Greece : report
Organization for economic co-operation and development , 1960
 Buku Teks
Campbell, W. K. H., author
Practical co-operation in Asia and Africa
W. Heffer & Sons , 1951
 Buku Teks
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