| 000 | nam a22 4500 | ||
|---|---|---|---|
| 020 | _a | ||
| 245 | _aProceedings of the workshop on farming systems research. | ||
| 260 |
_aAndnra Pradesh _bInternational agricultural research institute for the semi-ard tropics _c1987 |
||
| 710 | _aInternational agricultural Research Center | ||
| 942 | _c22 | ||
| 999 |
_c6748 _d6748 |
||