l-hfr3.txt da l-hfr0.htm HANS FREUDENTHAL WEEDING AND SOWING Dordrecht-Boston, Reidel, 1978, pp. ix+ 314 .1 La struttura del libro e`: iii [frontespizio] iv [colophon] v Foreword vii Table of contents 001 I. What is science? 033 II. On education 077 III. On a science of education 170 IV, A science of mathematical education 305 Epilogue 306 Bibliography of publications by Hans Frudenthal on mathematical education 311 Index