| 000 | 00459nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1980 xx 000 0 und d | ||
| 082 | _a658.93 Y-1M | ||
| 100 | _aYANG, W. Y | ||
| 245 | 0 | _aMethods of farm management investigations for improving farm productivity | |
| 250 | _arev. ed | ||
| 260 |
_bRome _c1980 |
||
| 300 | _a258p | ||
| 440 | _aFAO agriculture series, no. 11 | ||
| 650 | _aFARM MANAGEMENT | ||
| 653 | _aFARM MANAGEMENT | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c91581 _d91581 |
||