MICHAEL KEEVAK2020-03-062020-03-062017https://scholars.lib.ntu.edu.tw/handle/123456789/471598Failure, empire, and the first Portuguese embassy to China, 1517-1522book part10.4324/9781315578385-92-s2.0-85031315447https://www.scopus.com/inward/record.uri?eid=2-s2.0-85031315447&doi=10.4324%2f9781315578385&partnerID=40&md5=12296bb05aaaedb2f43ff0871fe1b82e