Penna, C. V. <br/><br/>
Planning of library and documentation services 
C. V. Penna; revised by P. H. Sewell and Herman Liebaers 
 - 2nd ed. 
 - Paris:  UNESCO,  1970. 
 -  158p. 
<br/><br/> pbk 
<br/><br/>Includes bibliography 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information services
<br/><br/><label>Dewey Class. No.: </label>025  / PEP