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\bibitem{Fan2010} Fan, M. - X., Chang, M., Kuo, R., \& Heh, J.-S. (2010). Using Graph Edit Distance to Diagnose Student{\textquoteright}s Science Process Skill in Physics. \textit{In the Proceedings of the 5th International Conference on E-Learning and Games, (Edutainment 2010)}, , 307--316.

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