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Wohascum County Problem Book
by Gilbert, George, Krusemeyer...
ISBN: 9780883853160
List Price: $10.00
3.
Wohascum County Problem Book - George T. Gilbert - Hardcover
by Gilbert, George T., Kruseme...
ISBN: 9780883853009
4.
A Mathematical Orchard: Problems and Solutions (MAA Problem Book Series)
by Mark I. Krusemeyer, George ...
ISBN: 9780883858332
List Price: $49.95
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Mathematical Orchard : Problems and Solutions
by Krusemeyer, Mark I., Gilber...
ISBN: 9781614444039
List Price: $49.95