Daisuke Tanabe Kohei Uno Kinji Akemine Takashi Yoshikawa Haruhiko Kaiya Motoshi Saeki Supporting Requirements Change Management in Goal Oriented Analysis. 3-12 2008 RE http://dx.doi.org/10.1109/RE.2008.18 conf/re/2008 db/conf/re/re2008.html#TanabeUAYKS08