المؤلفون: Liu, Ming¹ mingliu@swu.edu.cn, Liu, Leping² liu@unr.edu, Liu, Li³ dcsliuli@cqu.edu.cn

المصدر: Internet & Higher Education. Jul2018, Vol. 38, p1-8. 8p.

مصطلحات موضوعية: *Distance education, Student engagement, Collaborative learning, Control groups

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