Spelling suggestions: "subject:"agriculture - china - distory."" "subject:"agriculture - china - 1ristory.""
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Impact of climatic change during little ice age on agricultural development in north China, 1600-1650Ng, Wai-yip., 吳偉業. January 2009 (has links)
published_or_final_version / Chinese Historical Studies / Master / Master of Arts
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