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by Dweck, Carol S.
by Gardner, John N.; Barefoot, Betsy O.
by Downing, Skip
by Doherty, Christi D.
by Bergman, Paul; Goodman, Patrick; Holm, Thomas
by Cable, Sandra; Campbell, Jennifer T.; Ciampa, Mark; et al.
by Larson
by Feldman, Robert
by Tomlinson, Carol Ann
by National Council of Teachers of Mathematics