William H.B and Joseph D.Patton. <br/><br/>
Service management :  principles and practices / 
Bleuel H. W. 
 - U.S.,A :  Instrument society of america 1978 ;  1978. 
 - 265pages. 
<br/><br/>includes index. 
<br/><br/><label>ISBN: </label>87664373X 
<br/><br/><label>LC Class. No.: </label>HF 5415.5  / .B54 1978