Kannan, E <br/><br/>
TRB Computer Instructors Grade I Post Graduate Cadre Exam Books / 
E.Kannan 
 - Chennai :  Sura college of competition ,  2023 
 - 438 pages 
<br/><br/><label>ISBN: </label>9789387150447 
<br/><br/><label>Dewey Class. No.: </label>370.76  / KAN