Yen, D.D.YenChou, D.C.D.C.ChouChen, T.T.ChenHOUN-GEE CHEN2020-03-062020-03-062002https://scholars.lib.ntu.edu.tw/handle/123456789/471962[SDGs]SDG9journal article10.1504/IJNVO.2002.0025452-s2.0-33645154709https://www.scopus.com/inward/record.uri?eid=2-s2.0-33645154709&doi=10.1504%2fIJNVO.2002.002545&partnerID=40&md5=ab7db06ea4c24ec568e16b2fb761fc1f