00290nam a2200109 a 450000500170000000800410001704100080005810000160006624500450008226400420012730000110016920260717072124.0260701s1971    ii            000 0 eng d  aeng1 aLoen, R. O.10aManage more by doing less /cLoen, R. O. 1aNew York :bTata MacGraw-Hill,c1971.  a254 p.