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STUDENTS’ UNDERSTANDING OF PROPORTIONAL, INVERSE PROPORTIONAL, AND AFFINE FUNCTIONS: TWO STUDIES ON THE ROLE OF EXTERNAL REPRESENTATIONS
De Bock, Dirk, Van Dooren, Wim, Verschaffel, LievenVolume:
13
Language:
english
Journal:
International Journal of Science and Mathematics Education
DOI:
10.1007/s10763-013-9475-z
Date:
March, 2015
File:
PDF, 305 KB
english, 2015