Block, James H. <br/><br/>
Building effective mastery learning schools / 
by James H. Block. 
 - New York :  Longman,  c1989. 
 - viii, 264 p. :  ill. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0582285526 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Competency based education--United States.
<br/><br/><label>LC Class. No.: </label>LC1032  / .B58