Reys, Robert E.

Helping children learn mathematics / Robert E. Reys, Marilyn N. S uydam, and Mary M. Lindquist - Englewood Cliffs, N.J. : Prentice-Hall, 1984. - ix, 262 p. : ill. ; 28 cm.

Bibliography: p. 256-257


Mathematics--Study and teaching (Elementary)

Q 372.7 REY