KATZ, Lilian G. <br/><br/>
The case for mixed-age grouping in early education. / 
[by] Lilian G. Katz, Demetra Evangelou, Jeanette Allison Hartman  
 - Washington  National Association for the Education of young children  1990 
 - xi, 60 p. 
<br/><br/> Includes appendix & references. 
<br/><br/><label>ISBN: </label>935989315 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Primary education
<br/><br/><label>Dewey Class. No.: </label>372  / KAT