VIVIAN CHINGM CHU2018-09-102018-09-102000http://www.airitilibrary.com/Publication/Index/03030849-200002-201502030004-201502030004-4-5http://scholars.lib.ntu.edu.tw/handle/123456789/288885journal article10.6637/CWLQ.2000.28(9).4-5