000 | 00645nam a2200193Ia 4500 | ||
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008 | 170503s9999||||xx |||||||||||||| ||und|| | ||
080 | _a631.1 | ||
245 | 0 |
_aFarm management investigations for agricultural improvement / _cPreparated by W. Y. Yang. |
|
260 |
_aRome : _bFood and Agriculture Organization of the United Nations, _c1952 |
||
300 | _av, 36 p. -- | ||
336 |
_2isbdcontent _aTexto (visual) |
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337 |
_2isbdmedia _3Impreso _asin mediaciĆ³n |
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490 | _aFAO Development paper | ||
490 | _v20 | ||
650 | _aAgricultura | ||
942 | _2cdu | ||
942 | _cBK | ||
999 |
_c6208 _d6208 |