Campbell, H. C. <br/><br/>
Developing public library systems and services: a guid to the organization of nang 
/H. C. Campbell 
 - Essex  Unesco  1983 
 - 156 p. 
<br/><br/><label>ISBN: </label>9231019953 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public library
<br/><br/><label>Dewey Class. No.: </label>27.4  / UNE