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The learning of mathematics : its theory and practice / edited by Howard F. Fehr. - Washington : National Council of Teachers of Mathematics, 1953. - ix, 355 p. : ill. ; 24 cm. - Its Yearbook ; 21 .

Includes bibliographical references and index.

53001499


Mathematics--Study and teaching.

QA1 / .N3 21st

510.1 / NAL
Last Updated on September 15, 2019
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