Enumerative Combinatorics, Volume 1 by Richard P. Stanley
$34.19
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Combinatorics: Topics, Techniques, Algorithms by Peter J. Cameron
$46.80
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Modern Graph Theory by Bela Bollobas
$43.30
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Randomized Algorithms by Rajeev Motwani
$55.20
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Proofs from THE BOOK by Martin Aigner
$31.10
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