Hsieh J.-KChiu H.-CCHIH-PING WEIYen H.J.RCheng Y.-C.2020-02-102020-02-102013https://www.scopus.com/inward/record.uri?eid=2-s2.0-84881037462&doi=10.1108%2fJSM-10-2011-0159&partnerID=40&md5=a77282499a68aadcb6b63f952b832389https://scholars.lib.ntu.edu.tw/handle/123456789/456464A practical perspective on the classification of service innovationsjournal article10.1108/JSM-10-2011-01592-s2.0-84881037462