Hartley, Ronald V. <br/><br/>
Operations research: a managerial emphasis 
by Ronald V. Hartley 
 - California  Goodyear Publishing Company  1976 
 - 795p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations research
<br/><br/><label>Dewey Class. No.: </label>I552 H255