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In Memoriam: Andrejs Dunkels (October 15, 1939-December 30, 1998)
The Case of Gael
Brousseau, G.; Warfield, V.M.
Teacher Questioning to Promote Justification and Generalization in Mathematics: What Research Practice Has Taught Us
Martino, A.M.; Maher, C.A.
Distinguishing Features of Mechanical and Human Problem-Solving
deFranco, T.C.; Hilton, P.
Cultural Influences on Children's Probabilistic Thinking
Amir, G.S.; Williams, J.S.
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