Torshen Kay Pomerance <br/><br/>
Mastery approach to competency-based education 

 - New York, USA  Academic Press   1977 
 - x,226p. 
 - Educational Psychology .
<br/><br/><label>ISBN: </label>0-12-696050-X 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education