Khanna, O. P. <br/><br/>
Work study :   time and motion study / 
O. P. Khanna 
 - New Delhi :  Dhanpat Rai Publications (P) Ltd.,  2013. 
 - vi, 327 p. 
<br/><br/><label>ISBN: </label>9788189928414 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motion study<br/>Time study<br/>Work study<br/>Methods engineering
<br/><br/><label>Dewey Class. No.: </label>658.542  / KHA