Vernoy Johnson
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Operation of Union and Intersection on Sets
Marlow Ediger
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Problem Corner
William J. Bruce and Roy Sinclair
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IDEAS Gleaned from the 20th AnnuaI MCATA Meeting
William J. Bruce and Roy Sinclair
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Beyond the Usual Constructions
Melfried Olson
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Ideas
Prepared by M. Bernadine Tabler and Marilyn Hall Jacobson
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Delta-K Volume 20 Issue 2
Full Issue | Delta-K
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Plotting the Polygonal Numbers
by Bonny H. Litwiller and David R. Duncan
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PROBLEM CORNER
edited by William J. Bruce and Roy Sinclair
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Abstract of Problem-Solving is a Reading Problem
Jeffrey Klein