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Research output per year

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Research Output

Working paper

Electronic invoicing as a platform for exchanging accounting information - The electronic accounting reference concept

Penttinen, E., 2010, Helsinki, p. 23, (Aalto-yliopiston kauppakorkeakoulun julkaisuja; no. B-118).

Research output: Working paperProfessional


Electronic Invoicing Initiatives in Finland and in the European Union - Taking the Steps towards the Real-Time Economy

Dorota, K., Harald, B., Hyytiäinen, M., Kuivalahti, T., Penttinen, E., Poteri, J. & Turunen, T., 2008, Helsinki, p. 31, (HSE Publications; no. B-95).

Research output: Working paperProfessional


Bundling of information goods

Penttinen, E., 2004, Helsinki, (HSE Working papers; no. W-373).

Research output: Working paperProfessional