Business Models: A New Perspective on Knowledge-Intensive Services in the Software Industry. - Risto Rajala; Mika Westerlund (Bled eConference, 2005)

Determinants of OSS revenue model choices. - Risto Rajala; Jussi Nissilä; Mika Westerlund (ECIS, 2006)

Approaches to strategic alignment of business and information systems: A study on application service acquisitions. - Sami Kajalo; Risto Rajala; Mika Westerlund (J. Syst. Inf. Technol., 2007)

Knowledge-intensive service activities in software business. - Risto Rajala; Mika Westerlund; Arto Rajala; Seppo Leminen (Int. J. Technol. Manag., 2008)

The Influence of Content and Trust on Consumers' Intention to Accept Mobile Advertisements. - Mika Westerlund; Risto Rajala; Tuure Tuunanen; Jari Salo 001 (Int. J. E Serv. Mob. Appl., 2009)

Antecedents to Consumers' Acceptance of Mobile Advertisements - A Hierarchical Construct PLS Structural Equation Model. - Risto Rajala; Mika Westerlund (HICSS, 2010)

The Effects of Service Orientation, Technology Orientation and Open Innovation on the Performance of Software-intensive Service Businesses. - Risto Rajala; Mika Westerlund (HICSS, 2012)

Towards IOT Ecosystems and Business Models. - Seppo Leminen; Mika Westerlund; Mervi Rajahonka; Riikka Siuruainen (NEW2AN, 2012)

Actors in the Emerging Internet of Things Ecosystems. - Seppo Leminen; Mervi Rajahonka; Mika Westerlund (Int. J. E Serv. Mob. Appl., 2017)

Harnessing user innovation for social media marketing: Case study of a crowdsourced hamburger. - Darius Pacauskas; Risto Rajala; Mika Westerlund; Matti Mäntymäki (Int. J. Inf. Manag., 2018)