00476nam a2200157Ia 4500 LDD 181029s9999 xx 000 0 und d LDD Hiele, Pierre M. Van Structure and insight a theory of mathematics education Pierre M. Van Hiele Orlando Academic Press 1986 viii, 246p Developmental psychology series edited by Harry Beilin 2126 02-01-2001 ddc BK 0 0 ddc 0 0 33256 LDD LDD 2018-11-01 1 372.7 H531S 016573 2019-09-27 2019-09-13 2019-09-13 2018-11-01 BK Issued 33257 33257