D’Aprile, Gianvito, Pierpaolo Di Bitonto, Roberta De Asmundis, and Antonio Ulloa Severino. 2015. “Social, Constructivist and Informal Learning Processes: Together on the Edge for Designing Digital Game-Based Learning Environments”. Journal of E-Learning and Knowledge Society 11 (3). https://doi.org/10.20368/1971-8829/1074.