a Kochar, R.S. <br/><br/>
\a  Library Classification Systems  \h [Text] 
\c by R.S. Kochar 
 - \a New Delhi:  \b Commonwealth Publishers(P)Ltd.,  \c 2018 
 - \a  236p.:  \b ill. 
<br/><br/> \a  Includes Index 
<br/><br/><label>ISBN: </label>\a  8171694888 
<br/><br/><label>LC Class. No.: </label>\a Z 696.A4 Koc  / \b 507511