Study　on　the　learning　evaluation　system　of　MOOC
GAO　Jian1，ZHAO　Xui-rui　2，ZHOU　Yu-qing3，HUANG　Xia4
College Physics . 2017, (12): 50 -53 .  DOI: 10.16854/j.cnki.1000-0712.2017.12.013

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