PDC Place Athens: Grassroots Participatory Design and Digital Commons: Sharing collective experiences and creating synergies across initiatives and sectors. - Giannis Zgeras; Vasilis Vlachokyriakos; Gregory Tsardanidis; Ioannis Efthymiou; Vasiliki Mylona (PDC (2), 2022)

Supporting Remote Students Through Utilizing Web-Based Exercise-Templates and a Mobile Learning Chatbot for Creating and Interacting with Learning Materials. - Hasan Abu-Rasheed; Yannis Efthymiou; Madjid Fathi; Parvin Ghadamighalandari; Julián López Medina; Covadonga Ordoñez García; Gregory Tsardanidis; Johannes Zenkert; Giannis Zgeras (EC-TEL, 2023)