000 | 00456 a2200157 4500 | ||
---|---|---|---|
020 | _a0521348870 | ||
082 |
_a630.7 _bROL |
||
090 |
_c21581 _d33573 |
||
100 | _aRoling, Niels | ||
245 |
_aExtension science _binformation system in agricultural development |
||
260 |
_aCambridge _bCambridge University Press _c1988 _g1988 |
||
300 |
_axii,233p. _c23cm |
||
440 | _aCambridge studies in agricultural development | ||
650 | _aAgriculture | ||
942 | _cL | ||
999 |
_c49046 _d49046 |