Aperiodic order

Graphs, algorithms, and optimization по Kocay, William., author

Commutation relations, normal ordering, and stirling numbers по Mansour, Toufik, aSchork, Matthias

Introduction to enumerative and analytic combinatorics по Bóna, Miklós, author

Quantitative graph theory mathematical foundations and applications

Handbook of enumerative combinatorics

Handbook of graph theory

Combinatorics of set partitions по Mansour, Toufik

Available for University of the Philippines Diliman College of Engineering via CRCnetBASE. Click here to access
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Algebraic curves in cryptography по Ling, San 1964-

Discrete structures and their interactions по Brown, Jason I.