Pitagan, F. B. (2013). Interaction effects and cognitive engagements of collaborative groups in online asynchronous discussions. Education Quarterly.
Chicago Style aipamenaPitagan, Ferdinand B. "Interaction Effects and Cognitive Engagements of Collaborative Groups in Online Asynchronous Discussions." Education Quarterly 2013.
MLA aipamenaPitagan, Ferdinand B. "Interaction Effects and Cognitive Engagements of Collaborative Groups in Online Asynchronous Discussions." Education Quarterly, 2013.
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