Steven B. Mertens <br/><br/>
Common Planning Time in Middle Level Schools: Research Studies From the MLER SIGs National Project 

 -  Information Age Publishing  2013 
 - The Handbook of Research in Middle Level Education .
<br/><br/><label>ISBN: </label>9781623961022 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Levels <br/> Schools <br/> Secondary<br/>Curriculum planning--United States.,Interdisciplinary approach in education--United States.,Middle school teaching--United States.<br/>EDUCATION