| 000 | 00332 a2200121 4500 | ||
|---|---|---|---|
| 080 |
_a631.1 _bY 22 M |
||
| 245 | 1 |
_aMethods of farm management investigations _bfor improving farm productivity _cby W.Y. Yang |
|
| 260 |
_aRome _bF.A.O. _c1958 |
||
| 650 | _aFarm Management | ||
| 100 | 1 |
_aYang, W.Y. _d |
|
| 300 | _a228 p. | ||
| 901 | _a160414 | ||
| 999 |
_c79805 _d79805 |
||