Libraries In Distance Education Edited By K A Isaac G Devarajan 

 -  New Delhi : Ess Ess Publications [1989] 
 - 238 
 - Zph Writers Series 44. Zph Writers Series 44. .
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>8170001129 : Rs200.00