Porter, Jill. <br/><br/>
Researching learning difficulties :  a guide for practitioners / 
Jill Porter and Penny Lacey. 
 - London :  Pul Chapman Publishing,  2005 
 - xv, 189 p. ;  25 cm. 
<br/><br/><label>ISBN: </label>0761948503 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Learning disabled children--Research--Great Britain.<br/>Learning disabled children--Education--Research--Great Britain.
<br/><br/><label>Dewey Class. No.: </label>371.90941