| 000 | 00458nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 100324s9999 xx 000 0 und d | ||
| 100 | _aPurcell, Dennis L; Anderson, Jock P | ||
| 245 | _aAgricultural extension and research; achievements problems in national systems wb op ev study | ||
| 260 |
_c1997 _bWorld Bank _aWashington DC |
||
| 366 | _b1997 | ||
| 541 | _gG | ||
| 650 | _aAgriculture | ||
| 942 | _cBK | ||
| 999 |
_c80031 _d80031 |
||