Betts, P.W <br/><br/>
Supervisory management/ 

 - 6th ed. 
 - 128 long acre  Pitman publishing  1994 
 - ix, 422p. :  ill. ; 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0273600583 
<br/><br/><label>LC Class. No.: </label>HF5549  / .B47 1994