Sura`s BSNL JTO (Graduate Engineer Junior Telecom Officers Exam) 

 - 1st Ed. 
 -  Sura College Of Competition ,  2008 
 - 686p 
<br/><br/><label>ISBN: </label>81-7254-192-9 
<br/><br/><label>Dewey Class. No.: </label>658.3111