Canlyniadau Chwilio
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1
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2
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3
Community-based communication in a Philippine rice farming village forming definitions, constructing knowledge and practices
Cyhoeddwyd 2003Traethawd Ymchwil -
4
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5
An introduction to human ecology research on agricultural systems in southeast Asia.
Cyhoeddwyd 1984Llyfr -
6
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7
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8
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9
Agricultural mechanization and the evolution of farming systems in sub-Saharan Africa
Cyhoeddwyd 1987Llyfr -
10


