Mathematics, a developmental approach /
Washington, Allyn J.
Mathematics, a developmental approach / Allyn J. Washington. - Menlo Park, Calif. : Benjamin/Cummings Pub. Co., c1979. - ix, 306 p. :
Includes index.
080539527X
QA39.2 / .W375 1979
Mathematics, a developmental approach / Allyn J. Washington. - Menlo Park, Calif. : Benjamin/Cummings Pub. Co., c1979. - ix, 306 p. :
Includes index.
080539527X
QA39.2 / .W375 1979