Zheng Haiyang. (2020) State Powers and Trading Patterns: Three Types and Changes of Overseas Trade in Early Modern China. RANGSIT UNIVERSITY:ม.ป.ท.Zheng Haiyang. 2020. State Powers and Trading Patterns: Three Types and Changes of Overseas Trade in Early Modern China. ม.ป.ท.:RANGSIT UNIVERSITY;Zheng Haiyang. State Powers and Trading Patterns: Three Types and Changes of Overseas Trade in Early Modern China. ม.ป.ท.:RANGSIT UNIVERSITY, 2020. Print.