The Ideas of algebra, K-12 : 1988 yearbook / 
ed. Arthur F. Coxford, Albert P. Shulte. 
 - 2a ed. 
 - Reston, virginia :  National Council of Teachers of Mathematics,   1989. 
 - 248 paginas.:  24 cm. 
 - Year-book/national council of teachers of mathematics, issn-0077-4103; 1988 .
<br/><br/>Incluye referencias 
<br/><br/><label>ISBN: </label>0873532503 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Álgebra--Estudio y enseñanza (Elemental)
<br/><br/><label>LC Class. No.: </label>QA154  / C69 1989