References

1
THOMAS H. CORMAN, ET AL., “Introduction to Algorithms, 3rd ed.” PHI, 2009.

2
David P. Williamson and David B.Shmoys, “Design of approximation Algorithms”, ebook (downloadable)

3
MIKHAIL J. ATALLAH AND MARINA BLANTON, “Algorithms and Theory of Computation handbook, Second Edition, Special Topics and Techniques”, CRC Press, Taylor and Francis Group - A Chapman and Hall Book, 2010.

4
ALLEN B. TUCKER, JR., “The computer Science and Engineering Handbook,” CRC Press, 1997.