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by James Jiambalvo (University of Washington)
by Bell, Max; Bell, Jean; Bretzlauf, John; et al.
by Harvard University Press
by University of Chicago School Mathematics Project
by University of Chicago School Math Project; Peressini, Anthony L.; Decraene, Peter D.; et al.
by Nelson Mark (University of Notre Dame)
by David W. Blackwell (Texas A& M University ); Mark D. Griffiths (Miami University ); et al.
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