| 000 | 00382nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130610s9999 xx 000 0 und d | ||
| 082 | _aROL | ||
| 100 | _aRoling, N. | ||
| 245 |
_cRoling, N. _aExtension Science : Information System in Agricultural Development . |
||
| 260 |
_aCombridge _bCombridge Univ. Press. _c1988 |
||
| 350 | _a0 | ||
| 365 | _cRs. | ||
| 906 |
_a124224 _d1 _bX0001 _cS |
||
| 999 |
_c86414 _d86414 |
||