• 한국항해항만학회:학술대회논문집
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• 한국항해항만학회 2000년도 Proceeding of CIN-KIN Joint Symposium 2000 on M.E.T. Under STCW 78/95 and SINO-KOREA MARITIME CONTACT IN MID-CENTURIES
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• pp.197-200
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• 2000

In this paper, three parts study Zhangbaogao's reaction on the sea trade on Huang Hai in 8-9 centenary, it includes: 1. Mabe a period about the person's sea trade on Huang Hai. 2. Set up the range of sea trade about Tang. Silla and Japan, which the central was korea Peninsula. 3. Extend the termination of the silk Route at eastern, Link-ups the Huang Hai sea trade and silk Route.