Allendoerfer, Carl B. <br/><br/>
Principles of arithmetic and geometry for elementary school teachers / 
Carl B. Allendoerfer. 
 - New York :  Macmillan,  c1971. 
 - xv, 672 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic.<br/>Geometry.
<br/><br/><label>LC Class. No.: </label>QA107  / .A4