Castello, Valentina, Eleonora Guglielman, Marco Guspini, and Laura Vettraino. “Complex Learning Frame and Evidences”. Journal of e-Learning and Knowledge Society 9, no. 3 (September 22, 2013). Accessed March 29, 2024. http://www.je-lks.org/ojs/index.php/Je-LKS_EN/article/view/870.