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Frontiers of Education in China > 2018 > 13 > 1 > 119-151
Journal of Geographical Sciences > 2015 > 25 > 11 > 1283-1297
Frontiers of Education in China > 2013 > 8 > 2 > 266-302
Chinese Geographical Science > 2004 > 14 > 3 > 193-201