Swaroop, S. N. <br/><br/>
Training aids: how best you can use them / 
Swaroop, S. N. 
 - vii, 57 p. : ill. ; 22 cm. 
<br/><br/><label>ISBN: </label>8170243866 
<br/><br/><label>Dewey Class. No.: </label>370.78