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| 003 | UDS | ||
| 005 | 20170420094341.0 | ||
| 008 | 170420b xxu||||| |||| 00| 0 eng d | ||
| 020 | _a974-85676-1-3 | ||
| 040 |
_aLC _bENG _cLC _dLC |
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| 050 |
_aHD1417 _bB21 |
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| 100 | _qWillem C. Beets. | ||
| 245 |
_aRaising and Sustaining Productivity of Smallholder Farming Systems in the Tropics _bA Handbook of Sustainable Agricultural Development _cWillem C. Beets. |
||
| 260 |
_aAlkmaar, Holland _bAgBé Publishing _c1990 |
||
| 600 | _2Industries,Land Use and Labour | ||
| 942 |
_2lcc _cBK |
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_c15939 _d15939 |
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