Minna Pikkarainen Kieran Conboy Daniel Karlstöm Jari Still Joshua Kerievsky What Skills Do We Really Need in Agile Software Development? - Discussion of Industrial Impacts and Challenges. 267-270 2009 XP http://dx.doi.org/10.1007/978-3-642-01853-4_61 conf/xpu/2009 db/conf/xpu/xp2009.html#PikkarainenCKSK09