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SPECIAL ISSUE: ADVANCES IN CONCEPTUAL CHANGE RESEARCH || Conceptual change in mathematics: From rational to (un)real numbers
Erno Lehtinen, Kaarina Merenluoto and Eero KasanenVolume:
12
Language:
english
Journal:
European Journal of Psychology of Education
DOI:
10.2307/23420035
Date:
June, 1997
File:
PDF, 1.48 MB
english, 1997