id: 50284861 dt: j an: 50284861 au: Janssen, Marijn; Klievink, Bram ti: The role of intermediaries in multi-channel service delivery strategies so: IJEGR 5, No. 3, 36-46 (2009). py: 2009 pu: la: EN cc: ut: ci: li: http://www.igi-global.com/Bookstore/Article.aspx?TitleId=3944