Bright,Jay B. <br/><br/>
Economic development and productivity 

 - Delhi  S.Chand  _ 
 - xii,103p., 22cm.  HB. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Production economics
<br/><br/><label>Dewey Class. No.: </label>338.9  / BRI