Peterson, Daniel L. <br/><br/>
Functional mathematics for the mentally retarded / 
Daniel L. Peterson. 
 - Columbus, Ohio :  Merrill,  c1973 
 - xvii, 679 p. :  ill. ;  24 cm. 
 - The Slow learner series .
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0675090970 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children with mental disabilities--Education--Mathematics.
<br/><br/><label>Dewey Class. No.: </label>372.928  / PEF 1973