Sethi, S. <br/><br/>
Railway Recruitment Board Exam For Technical Trades 
/Edited by S. Sethi 
 - Seventeenth Enlarged Edition 
 - New Delhi  BBrtght Publication  2012 
 - 200p. 
<br/><br/><label>ISBN: </label>8171995929 
<br/><br/><label>Dewey Class. No.: </label>300  / SET/R