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Bharat sanchar nigam limited junior telecom officers recruitment exam 

 - Roorkee  G.K.Publsihers  2008 
 - [1000p.]  lPB  23cm. 
<br/><br/><label>ISBN: </label>8183550118 
<br/><br/><label>Dewey Class. No.: </label>384.076  / BHA