| 000 | 00410nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 140317s9999 xx 000 0 und d | ||
| 082 | _a631.115 | ||
| 100 | _aYang,W.Y. | ||
| 245 | _aMethods of farm management investigation for improving farm productivity. | ||
| 260 |
_aRome _bFAO _c1965 |
||
| 300 | _a285 | ||
| 650 | _aAgriculture | ||
| 653 | _aAgriculture | ||
| 653 | _aCrop Production | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c4202 _d4202 |
||