Cleidson R. B. de Souza Helen Sharp Janice Singer Li-Te Cheng Gina Venolia Guest Editors' Introduction: Cooperative and Human Aspects of Software Engineering. 17-19 2009 26 IEEE Software 6 http://doi.ieeecomputersociety.org/10.1109/MS.2009.176 db/journals/software/software26.html#SouzaSSCV09