Titu Andreescu, Zuming Feng
Education , Elementary102 combinatorial problems from the training of the USA IMO team
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Mathematics , CombinatoricsA path to combinatorics for undergraduates: counting strategies
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Education , ElementaryMathematical Olympiads 1998-1999: Problems and Solutions from around the World
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MathematicsMathematical Olympiads 1999-2000: Problems and Solutions from around the World
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Path to Combinatorics for Undergraduates: Counting Strategies
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