Lal  <br/><br/>
Upkar's Railway Recruitment Board  ;Computer based test:  For NTPC-Graduate &Under graduate Posts ( 
Lal & Jain 
 - Agra  Upkar prakashan  2021 
<br/><br/><label>ISBN: </label>9789350132869 
<br/><br/><label>Dewey Class. No.: </label>371.26  / LAL.U