Enright, Brian E. <br/><br/>
 - Boston :  Allyn and Bacon,  1989 
 - 160 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0205116353 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)<br/>Handicapped children--Education--Mathematics<br/>Gifted children--Education--Mathematics