Friel,, Susan N. Navigating through algebra in grades 6-8=6-8 / Susan Friel, Sid Rachlin, Dot Doyle ; with Claire Nygard, David Pugalee, Mark Ellis

Navigating through algebra in grades 6-8=6-8 / Susan Friel, Sid Rachlin, Dot Doyle ; with Claire Nygard, David Pugalee, Mark Ellis . - Reston : National Council of Teachers of Mathematics, imp. 2004 . - VI, 90 p. : il. 28 cm . - (Principles and standards for school mathematics navigations series)
0-87353-501-4 Brochado

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