Luoma-acho, Vilma, Marita Vos, Raimo Lappalainen, Anna Lämsä, Outi Uusitalo, Petri Maaranen, and Aleksi Koski. 2012. “Added Value of Intangibles for Organizational Innovation”. Human Technology 8 (1):7–23. https://doi.org/10.17011/ht/urn.201205141650.