| |
| 2009 | ||
|---|---|---|
| 2 | EE | Esko Penttinen, Petri Hallikainen, Tuija Salomäki: Impacts of the Implementation of Electronic Invoicing on Buyer-Seller Relationships. HICSS 2009: 1-10 |
| 2004 | ||
| 1 | EE | Esko Penttinen, Risto Rajala: The role of IT in the formation of a business offering - a framework for empirical analysis. ECIS 2004 |
| 1 | Petri Hallikainen | [2] |
| 2 | Risto Rajala | [1] |
| 3 | Tuija Salomäki | [2] |