Vallen, Jerome J; Abbey, James R & Sapienza, Dunnovan L <br/><br/>
The art and science of managing hotels / restaurants / institutions 

 - Hayden book company, New Jersey  1968 
 - xii,275 
<br/><br/><label>ISBN: </label>0-8104-9470-1 
<br/><br/><label>Dewey Class. No.: </label>647.94 Val