| 000 | 00452cam a22001331 4500 | ||
|---|---|---|---|
| 999 |
_c803 _d803 |
||
| 050 | 0 | 0 |
_aS401.U6 _bA13 |
| 100 | 1 | _aYang, Wei, | |
| 245 | 1 | 0 |
_aMethods of farm management investigations for improving farm productivity. _cWei, Yang |
| 260 |
_aRome, _bFood and Agriculture Organization of the United Nations, _c1958. |
||
| 300 |
_aix, 228 p. _bdiagrs., tables. |
||
| 500 | _aincludes bibliographic reference | ||
| 650 | 0 |
_aFarm management _xResearch. |
|
| 942 | _cBK | ||