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Some aspects of students’ understanding of a representational model of the particulate nature of matter in chemistry in three different countries
University of Pretoria, Department of Science Mathematics & Technology Education, Faculty of Education, Groenkloof Campus, South Africa
Chem. Educ. Res. Pract., 2006,7, 226-239
Received 18 May 2006, Accepted 15 Sep 2006
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