Ching, C. T. K. <br/><br/>
Production economics  ; methematical development and applications / 

 - Oxford:  Transaction Books,  1985 
 - xiii, 400p. Index 
<br/><br/><label>ISBN: </label>0887380166 
<br/><br/><label>Dewey Class. No.: </label>338.5  / C539.PE