Ali, Amjad. <br/><br/>
Reference service and the digital sources of information /  
Amjad Ali. 
 - /   . 
 - New Delhi :   Ess Ess Publications ,   2004. 
 - 392p. :   ills.,charts,tables ;   22cm .  
<br/><br/>Include index 
<br/><br/><label>ISBN: </label>8170004128  RS800.00 
<br/><br/><label>Subjects--Index Terms: </label>REFERENCE SERVICE 
<br/><br/><label>Dewey Class. No.: </label>025.52  / AMJ/R