Duncan, Ernest R. <br/><br/>
Modern School Mathematics: Structure and Use 

 - New York:  Houghton Mifflin Company,  1972. 
 - 348p.;  24cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Primary Education
<br/><br/><label>Dewey Class. No.: </label>372.73  / DUN