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\bibitem{Chu2010} Chu, H. - C., Hwang, G.J., Tsai, C.-C., Chen, C.-Y., \& Kinshuk. (2010). A Context-Aware Ubiquitous Learning Environment for Enhancing Science Inquiry Ability of Students via On-Site Device Operating. In \textit{Workshop Proceedings of the 18th International Conference on Computers in Education 2010} (pp. 193--201). Selangor, Malaysia: Universiti Putra Malaysia.

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