Umiker-Sebeok, Donna Jean <br/><br/>
The conversational skills of preschool children / 
by Donna Jean Umiker-Sebeok 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/>Thesis (Ph.D.) - Indiana University, 1976 
<br/><br/><label>ISBN: </label>Y910040118 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children--Language.<br/>Language arts (Preschool).<br/>Language acquisition.