Selection of ERP Software in Finnish SME's. - Petri Hallikainen; Hannu Kivijärvi; Matti Rossi; Sami Sarpola; Jari M. Talvinen (ACIS, 2002)

Reasons for ERP Acquisition. - Petri Hallikainen; Sanna Laukkanen; Sami Sarpola (ICEIS (1), 2004)

ERP System Adoption - Does the Size Matter? - Sanna Laukkanen; Sami Sarpola; Petri Hallikainen (HICSS, 2005)

Dual role of extranet portals in buyer-supplier information exchange. - Sanna Laukkanen; Sami Sarpola; Katariina Kemppainen (Bus. Process. Manag. J., 2007)

Enterprise size matters: objectives and constraints of ERP adoption. - Sanna Laukkanen; Sami Sarpola; Petri Hallikainen (J. Enterp. Inf. Manag., 2007)