Drucjer, Peter Ferdinand  <br/><br/>
The effective executive   : founding father of the science of management  
/ Peter F. Drucker 
 - New York   : Perennial library   , 1985 
 - 178 p.   ; 21 cm.  
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>006091209X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ejecutivos 
<br/><br/><label>LC Class. No.: </label>HD 38.25.U6  / D 78 1985