Sutherland, Jeff, Carsten Ruseng Jakobsen, and Kent Johnson. “Scrum and CMMI Level 5: A Magic Potion for Code Warriors.” Proceedings of the Agile Conference, Agile Alliance/IEEE, 2007.

Jakobsen, Carsten Ruseng and Jeff Sutherland. “Mature Scrum at Systematic.” Methods & Tools, Fall 2009. .