Preventing Difficulties in Learning 

 - New York:  Basil Blackwell Pub.,  1987. 
 - 425p.;  22cm 
<br/><br/><label>ISBN: </label>0-631-151664 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Curriculum Development<br/>Curriculum
<br/><br/><label>Dewey Class. No.: </label>375.001  / PRE