Text ( visual ) : unmediated Revisiting mathematics education : China lectures / Hans Freudenthal. -- Dordrecht : Kluwer Academic Publishers , c1991. -- xi, 200 p. : ill. ; 25 cm. -- オンデマンド版(ディスク無し)によりとは別書誌 ; Includes bibliographical references and index ; Originally published in series: Mathematics education library ; v. 9 ; "Printed by Books on Demand, Germany"--P. [206]. -- ISBN 0792312996 ; (BB12785615) ; https://ci.nii.ac.jp/ncid/BB12785615 Author Heading(s): Freudenthal, Hans. -- Classification(s): LCC : QA12 ; DC20 : 510/.7. -- Subject Heading(s): LCSH : Mathematics -- Study and teaching

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