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Zhang, K. (2007). Moderating Online Collaborative Learning for Critical Thinking, Problem Solving and Satisfaction: Strategies and Effects. In T. Bastiaens & S. Carliner (Eds.), Proceedings of E-Learn 2007--World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education (pp. 6698-6700). Quebec City, Canada: Association for the Advancement of Computing in Education (AACE).