Tripathi, S.M. <br/><br/>
New dimensions of reference and information services 

 - Agra  Yogendra Kumar Jain  1993 
 - xv,548p. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Information Service<br/>Reference Service
<br/><br/><label>Dewey Class. No.: </label>025.52  / T78S