Empirical Challenges in the Implementation of IT Portfolio Management: A Survey in Three Companies. - Lucy Ellen Lwakatare; Pasi Kuvaja; Harri Haapasalo; Arto Tolonen (CAiSE, 2015)

Defining one product data for a product. - Risto Silvola; Arto Tolonen; Janne Härkönen; Harri Haapasalo; Tarja Mannisto (Int. J. Bus. Inf. Syst., 2019)