Assessing the Intuitiveness of Qualitative Contribution Relationships in Goal Models: An Exploratory Experiment. - Sotirios Liaskos; Alexis Ronse; Mehrnaz Zhian (ESEM, 2017)

On the Meaning and Use of Contribution Links. - Sotirios Liaskos; Norah Alothman; Alexis Ronse; Wisal Tambosi (iStar@ER, 2019)