| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c2961 _d2961 |
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| 003 | OSt | ||
| 005 | 20200509122144.0 | ||
| 008 | 200509b xxu||||| |||| 00| 0 eng d | ||
| 020 | _a9780521344371 | ||
| 082 |
_a630.715 _bROL |
||
| 100 |
_aRoling, N. _eAuthor _qRoling Niels |
||
| 245 |
_aExtension science : informatiom systems in agricultural development / _cBy Neils Roling _hEnglish |
||
| 250 | _a1st | ||
| 260 |
_aNew York : _bCambridge University Press ; _c1988. |
||
| 300 |
_axii, 233 p.; _c23 cm. |
||
| 942 |
_2ddc _cBK |
||