Algebra for everyone ; Edited by Edgar L. Edwards. - 1a. ed. - Richmond, Virginia : National Council of teachers of mathematics, r1993 - 89 p. : il. ; 23 cm. 3a. reimpresión de la 1a. ed. de 1990 ISBN: 087353297X Subjects--Topical Terms: Algebra--Estudio y enseñanza LC Class. No.: QA159 / A44 1993