Subcontracting Processes in Software Service Organisations - An Experience Report. - Jakub Rudzki; Tarja Systä; Karri Mustonen (ICSP, 2009)

Considering Subcontractors in Distributed Scrum Teams. - Jakub Rudzki; Imed Hammouda; Tuomas Mikkola; Karri Mustonen; Tarja Systä (Agility Across Time and Space, 2010)