000 00583nam a2200205Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aS401.U6A13 No.80
100 _aYang, Wei Y.
245 0 _aMethod of farm management investigations for improving farm productivity
260 _aRome
260 _bFood and Agriculture Organisation of the United Nations (FAO)
260 _c1958
300 _axiii,258p.
300 _c23cm.
650 _aFarm management research
700 _aill.
942 _2Library of Congress Classification
942 _cBook
999 _c29563
_d29563