Alexander, William M.  1912-1996, <br/><br/>
The exemplary middle school / 
William m. Alexander, Paul s. George 
 - 356 páginas 
<br/><br/><label>ISBN: </label>0-03-052301-x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educación media superior
<br/><br/><label>LC Class. No.: </label>LB1623  / A43