Flener,, Frederick O. Mathematics contents : a guide for involving students and schools / Frederick O. Flener

Mathematics contents : a guide for involving students and schools / Frederick O. Flener . - Reston : National Council of Teachers of Mathematics, cop. 1990 . - 115 p. 23 cm
0-87353-282-1 (Brochado)

51:372.851
372.851:51