A programming-simulation study of constraints affecting the long-run income-earning ability of traditional dryland farming systems in Northern Nigeria / by Eric Winthrop Crawford.
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Language: | English |
Published: |
1980.
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Subjects: | |
Dissertation Note: |
Thesis Ph. D Cornell University, Jan. 1980. |
Physical Description: | xvi, 292 leaves : illustrations ; 29 cm |
Format: | Thesis Book |
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