Please use this identifier to cite or link to this item: http://hdl.handle.net/10497/2415
Title: 
Pupils’ understanding of the concept of reversibility in elementary arithmetic
Authors: 
Issue Date: 
1984
Citation: 
Teaching and Learning, 5(1)56-62
URI: 
ISSN: 
0129-7112
Appears in Collections:Journal Articles - Teaching and Learning

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