Stone, Sandra J., <br/><br/>
Understanding multiage education / 
Sandra J. Stone and Kathleen G. Burriss. 
 - New York:  Routledge,  2019. 
 - xiv, 296 pages ; 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780367197773 9780367197780 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ability grouping in education.
<br/><br/><label>Dewey Class. No.: </label>371.254  / STO.U