Penna, C. V. <br/><br/>
The planning of library and documentation services / 
by C. V. Penna ; edited by P. H. Sewell and Herman Liebaers. 
 - 2nd revised and enlarged ed. 
 - Paris :  Unesco,  c 1970. 
 - 158 p. ;  22 cm. 
 - Unesco manuals for libraries. .
<br/><br/>333  333 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science.
<br/><br/><label>Dewey Class. No.: </label>027 / U3p