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Galitz, Wilbert O. The Essential Guide to User Interface Design: An Introduction to GUI Design Principles and Techniques. 3rd ed. Chichester: John Wiley, 2007. Web. <http://ezproxy.lib.le.ac.uk/login?url=http://www.myilibrary.com?id=85533>.
Kleinberg, Jon and Tardos, Éva. Algorithm Design. Boston, Mass: Pearson/Addison-Wesley, 2006. Print.
Miller, Michael B. Mathematics and Statistics for Financial Risk Management. Wiley finance. Hoboken, N.J.: Wiley, 2012. Web. <http://site.ebrary.com/lib/leicester/Doc?id=10529315>.
Skiena, Steven S. The Algorithm Design Manual. London: Springer-Verlag London, 2008. Web. <http://ezproxy.lib.le.ac.uk/login?url=http://dx.doi.org/10.1007/978-1-84800-070-4>.
Spohr, Dennis. Towards a Multifunctional Lexical Resource: Design and Implementations of a Graph-Based Lexicon Model. Lexicographica. Series maior. Berlin: De Gruyter, 2012. Web. <http://site.ebrary.com/lib/leicester/Doc?id=10534137>.
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