000 00815nam a22002297a 4500
005 20181210003154.0
008 180424m19621958it a b i000 0 eng
010 _a 60023680
035 _a(OCoLC)5149441
040 _aBD-DhBPA
_cBD-DhBPA
082 _a631
_bYAM 1962
100 1 _aYang, Wei,
_d1907-
_95507
245 1 0 _aMethods of farm management investigations for improving farm productivity /
_cWei Yang.
260 _aRome :
_bFood and Agriculture Organization of the United Nations,
_c1962.
300 _aix, 228 p. :
_bdiagrs., tables. ;
_c23 cm.
490 1 _aFAO agricultural development paper,
_vno. 64
504 _aBibliography: p. 225-228.
590 _aNewaz
650 0 _aFarm management
_xResearch.
_950620
830 0 _aFAO agricultural development paper ;
_vno. 64.
_911869
942 _2ddc
_cBK
999 _c17272
_d17272