Certo.Samuel C <br/><br/>
Modern Management :  Concepts and Skills / 
Samuel C.Certo & S.Trevis Certo . 
 - 12th ed. [IE.] 
 - Boston . :  Pearson ,  c2012. 
 - 600p .:  col. ill . ;  28cm + 
<br/><br/> Includes Index. 
<br/><br/><label>ISBN: </label>9780273756767 0273756761 
<br/><br/><label>LC Class. No.: </label>HD 31  / .C418 2012