Dalela S. <br/><br/>
Text Book of  Work Study 

 - Third 
 - New Delhi  Standard Publication  1983 
<br/><br/><label>ISBN: </label>0000012256 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics<br/>Study  Work
<br/><br/><label>Dewey Class. No.: </label>658.542