Issoc, K.A. <br/><br/>
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 - Delhi  Concept Publication Company  1990 
 - 172 p. 
<br/><br/> 19800 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library  Science
<br/><br/><label>Dewey Class. No.: </label>20  / I