Mastery Learning l Theory and Practice  

 - New York :  Holt Rinehart and Winston  1971. 
 - 152p.;  24cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>D.A. Perera Collection<br/>Education
<br/><br/><label>Dewey Class. No.: </label>370.72  / MAS