Agricultural trade balances in North America
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1993 ◽
Vol 8
(2)
◽
pp. 152-23
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Keyword(s):
2003 ◽
Vol 47
(3)
◽
pp. 349-366
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2004 ◽
Vol 26
(3)
◽
pp. 317-331
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1993 ◽
Vol 8
(2)
◽
pp. 201-18
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Keyword(s):