Dockrell, Julie. <br/><br/>
Children's language and communication difficulties :  understanding, identification and intervention / 
Julie Dockrell and David Messer. 
 - London :  Cassell,  1999. 
 - xi,180p :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0304336572  £45.00 9780304336579