References
Gough, J. (1767) Practical Arithmetick in Four books, Dublin.
Miller, B. N. and Ranum, D. L. (2011) Problem Solving with Algorithms and Data Structures using Python, 2nd edn, Sherwood, Oregon, Frankin, Beedle & Associates.
Wing, J. M. (2006) ‘Computational Thinking’, Communications of the ACM, vol. 49, no. 3, pp. 33–5; also available online at http://www.cs.cmu.edu/ ~wing/ publications/ Wing06.pdf [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] (Accessed 20 December 2012).
Wing, J. M. (2009) ‘Computational Thinking and Thinking About Computing’, Evening Lecture Series, 2 September 2009, Florida Institute for Human and Machine Cognition, Florida, US [Online]. Available at http://www.youtube.com/ watch?v=C2Pq4N-iE4I (Accessed 20 December 2012).