Washington, Allyn J.
Mathematics : a development approach / Allyn J. Washington - California : R.D. Opie , 1972 - ix, 306p. : ill. ; 25 cm.
Includes bibliographical references and index.
Mathematics
510 / WAS
Mathematics : a development approach / Allyn J. Washington - California : R.D. Opie , 1972 - ix, 306p. : ill. ; 25 cm.
Includes bibliographical references and index.
Mathematics
510 / WAS