Briere E J <br/><br/>
Defining a hierarchy of difficulty of learning phonology categories 

 - Ann arbor  Michigan Univ Micro      1965 
 - iii, 103p.  cm. 
<br/><br/><label>Standard No.: </label>86,982 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>T:4(P:1),3, K5