Mahvish Khurum Tony Gorschek Lefteris Angelis Robert Feldt A Controlled Experiment of a Method for Early Requirements Triage Utilizing Product Strategies. 22-36 2009 REFSQ http://dx.doi.org/10.1007/978-3-642-02050-6_3 conf/refsq/2009 db/conf/refsq/refsq2009.html#KhurumGAF09