Paschos, V. T. (2014). Paradigms of combinatorial optimization: Problems and new approaches (Revised and updated second edition.). ISTE : Wiley.

Paschos, Vangelis Th. Paradigms of Combinatorial Optimization: Problems and New Approaches. Revised and updated second edition. London, [England] ; Hoboken, New Jersey: ISTE : Wiley, 2014.

Paschos, Vangelis Th. Paradigms of Combinatorial Optimization: Problems and New Approaches. Revised and updated second edition. ISTE : Wiley, 2014.