Cha, S.-CS.-CChaYUH-JZER JOUNGTseng, Y.-CY.-CTsengHuang, S.-CS.-CHuangChen, G.-HG.-HChenTseng, C.-T.C.-T.Tseng2020-02-112020-02-112014https://scholars.lib.ntu.edu.tw/handle/123456789/457458Ensuring the integrity and non-repudiation of remitting e-invoices in conventional channels with commercially available NFC devicesconference paper10.1109/SNPD.2014.68887052-s2.0-84908682019https://www.scopus.com/inward/record.uri?eid=2-s2.0-84908682019&doi=10.1109%2fSNPD.2014.6888705&partnerID=40&md5=1b075b2417db18168681b562b877e8d8