A tool supporting root cause analysis for synchronous retrospectives in distributed software teams. - Timo O. A. Lehtinen; Risto Virtanen; Juha O. Viljanen; Mika Mäntylä; Casper Lassenius (Inf. Softw. Technol., 2014)

Why the Development Outcome Does Not Meet the Product Owners' Expectations? - Timo O. A. Lehtinen; Risto Virtanen; Ville T. Heikkilä; Juha Itkonen (XP, 2015)