Özson, Okan. <br/><br/>
Etkili iletişim / 
Okan Özson . 
 - İstanbul :  Ottoman. 
 - 195 p. ;  21 cm. 
<br/><br/><label>ISBN: </label>9786059676410 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oral communication<br/>Public speaking
<br/><br/><label>LC Class. No.: </label>PN4129