| 000 | 00697cam a22001697a 4500 | ||
|---|---|---|---|
| 008 | 180718b1979 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aZ7x861 Si38 | ||
| 100 | _aSilva, Sergio Sepulveda | ||
| 245 |
_aThe effects of modern technology on labor needed for producing crops on small farms in two integrated rural development districts in Colombia _cby Sergio Sepulveda Silva and Howard E. Conklin |
||
| 260 |
_aNew York _bCornell University. Department of Agricultural Economics _c1979 |
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| 300 | _a61p. | ||
| 500 | _aSponsored by AID | ||
| 650 | _aFarm Labour - Colombia | ||
| 650 | _aFarm Machinery - Colombia | ||
| 650 | _aAgriculture and Technology - Colombia | ||
| 700 | _aConklin, Howard E. | ||
| 999 |
_c477451 _d477451 |
||