Zelko, Harold P <br/><br/>
Successful conference and discussion techniques  

 - London:   McGraw-Hill Book Company, Inc.,   1957 
 - xiii, 264p.  
<br/><br/><label>Subjects--Index Terms: </label>American scheme  
<br/><br/><label>Universal Decimal Class. No.: </label>061.3:374.2  / J7