000 00320nam a2200121Ia 4500
008 161118s2016 xx 000 0 und d
082 _a631 FAO-M
100 _aF.A.O
245 0 _aMethods Of Farm Management Investigation For Improving Farm Productivity.
260 _aRome
_bFAO
_c1958
300 _a228p.
942 _2ddc
999 _c20090
_d20090