"Gupta, R.S." <br/><br/>
Work study (NPC Training Manual ). 

 - New Delhi  National.  1974 
 - 240 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management
<br/><br/><label>Dewey Class. No.: </label>IB 658.542 GUP