Comparing the comprehensibility of numeric versus symbolic contribution labels in goal models: an experimental design. - Sotirios Liaskos; Wisal Tambosi (MoDELS (Workshops), 2018)

Factors Affecting Comprehension of Contribution Links in Goal Models: An Experiment. - Sotirios Liaskos; Wisal Tambosi (ER, 2019)

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