000 00266nam a22000977a 4500
082 _a658
_bDRU.M
100 _aDrucker, Peter F.
245 _aManagement :
_bTasks responsibilities practice /
_cby Peter F Drucker.
260 _aLondon :
_bHeinemann,
_c1973.
942 _cBK
999 _c495330
_d495330