Dwyer, Robert C. <br/><br/>
Teaching children through natural mathematics 
[by] Robert C. Dwyer [and] Jane K. Elligett. 
 - West Nyack, N.Y.  Parker Pub. Co.  [1970] 
 - 212 p.  illus. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>LCCN: </label>79091991  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)<br/>Socially handicapped children--Education.