000 | 00466nam a2200169Ia 4500 | ||
---|---|---|---|
008 | 170101s1965 xx 000 0 und d | ||
082 | _a658.93 Y-1 M | ||
100 | _aYANG, W.Y | ||
245 | 0 | _aMethods of farm management investigations for improving farm productivity | |
250 | _aRev. ed | ||
260 |
_bRome _c1965 |
||
300 | _a248p | ||
440 | _aAgricultural Development paper, no 80 | ||
650 | _aFARM MANAGEMENT | ||
653 | _aFARM MANAGEMENT | ||
942 |
_2ddc _cB |
||
999 |
_c87759 _d87759 |