Barchetti, Ugo, Antonio Capodieci, Anna Lisa Guido, and Luca Mainetti. “Modelling Collaboration Processes Through Design Patterns”. Computing and Informatics 30, no. 1 (January 26, 2012): 113–135. Accessed April 30, 2025. https://www.cai.sk/ojs/index.php/cai/article/view/156.