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_aNorman, David W. _981755 |
| 245 | _aFarm and village production systems in the semi-arid tropics of west Africa ; an interpretative review of research | ||
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_aPatancheru : _bInternational Crops Institute for the Semi-Arid Tropics, _c1981 |
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| 300 |
_a94 p. _b; gráfs. |
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| 490 |
_aResearch bulletin _v; 4 (1) |
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_aBATCH-UPD _b10 _c20130110 _lUCH01 _h1035 |
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_aAgricultura _xTrópicos. _91888 |
| 650 | 1 | 4 |
_aSistemas de cultivo _xTrópicos. _9106753 |
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_aNewman, Mark D. _981090 |
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_aOuedraogo, Ismael. _984351 |
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_aResearch bulletin _v; 4 (1) _996062 |
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