The teaching of numerical extensions: The case of negative numbers
ISSN: 1464-5211, 0020-739X
Year of publication: 1999
Volume: 30
Issue: 6
Pages: 789-809
Type: Article
ISSN: 1464-5211, 0020-739X
Year of publication: 1999
Volume: 30
Issue: 6
Pages: 789-809
Type: Article