Chang, Y.-M.Y.-M.Chang2020-06-112020-06-112002https://www.scopus.com/inward/record.uri?eid=2-s2.0-0036361060&partnerID=40&md5=9408544a62860b2a8a456ebb9178271fhttps://scholars.lib.ntu.edu.tw/handle/123456789/501584conference paper