Balasubramanian, P <br/><br/>
Information sources and Services 
by P Balasubramanian and A Arogia mary 
 - New Delhi  Ess Ess Publications  2022 
 - 248p. 
<br/><br/>Includes Bibliography 
<br/><br/>Types of Information Sources/ Reference Sources/ E-Resources/ Information Services/ Online Services 
<br/><br/><label>ISBN: </label>9789392594519 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information sources- services
<br/><br/><label>Dewey Class. No.: </label>025.52 BAL/INF