Teaching mathematics through problem solving : grades 6-12 / ed. Harold L. Schoen
Teaching mathematics through problem solving : grades 6-12 / ed. Harold L. Schoen
. - Reston : The National Council of Teachers of Mathematics, cop. 2003
. - XVII, 270 p. : il. 23 cm
0-87353-541-3 Brochado
51:372.851
372.851:51