Tore Dybå Erik Arisholm Dag I. K. Sjøberg Jo Erskine Hannay Forrest Shull Are Two Heads Better than One? On the Effectiveness of Pair Programming. 12-15 2007 24 IEEE Software 6 http://doi.ieeecomputersociety.org/10.1109/MS.2007.158 db/journals/software/software24.html#DybaASHS07