1052-Seminar on the History of Water Conservancy in China-4A003

Period：2017-02-01~2017-08-01

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1042-Seminar on the History of Water Conservancy in China-4A002

Period：2016-02-01~2016-07-31

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1021-History of World Civilization-00232

Period：2013-08-01~2014-01-31

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1002--4A011

Period：2012-02-06~2012-07-31

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992-The method of Historical geography and History study-4A001

Period：2011-02-07~2011-07-31

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