北魏对桑树的需求与桑田制度产生的关系——以桑葚的食物特性为切入点

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1008-9004|24|3|28-31

ISSN: 1008-9004

Source: 鄂州大学学报, Vol.24, Iss.3, 2017-01, pp. : 28-31

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Abstract