KHANNA O P <br/><br/>
Work Study 

 - NEW DELHI  Dhanpat rai and co Pvt Ltd  2001 
 - 327p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Work Study
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Work<br/>Study<br/>Work Study