Penna, Carlos Victor,  1911- <br/><br/>
The planning of library and documentation services / 
by C. V. Pen na. 
 - 2d ed. rev. and enl. /  by P. H. Sewell and Herman Liebaers. 
 - Paris :  Unesco,  1970, 1972 printing. 
 - 158 p. ;  21 cm. 
 - Unesco manuals for libraries ; 17 .
 - United Nations Educational, Scientific and Cultural Organization.  Unesco manuals for libraries ;  17. .
<br/><br/> First ed. published in 1967 under title: Planning library services. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>75-307229 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library planning.
<br/><br/><label>Dewey Class. No.: </label>021