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\bibitem{Teng2010} Teng, D. C. - E., Leo, T., Kinshuk, \& Chen, N.-S. (2010). A Preliminary Study on Students{\textquoteright} Learning Experience in an International Online Synchronous Research Seminar. In \textit{Proceedings of the IADIS International Conference on Cognition and Exploratory Learning in Digital Age} (pp. 63--70). Lisbon: Portugal: IADIS Press.

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