Conjuntos / 
National council of teachers of mathematics ; tr. Federico Galvan Anaya 
 - 2 
 - 63 páginas 
 - Temas de matematicas ;  1 .
<br/><br/> Traduccion de: topics in mathematics for elementary school teachers booklet 
<br/><br/><label>ISBN: </label>9682432324 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aritmética--Fundamentos
<br/><br/><label>LC Class. No.: </label>QA248.3  / T6518 1990