De Pietro, Orlando, Carmelo Piu, Maurizio De Rose, and Giovanni Frontera. “An Intelligent Agent and an Adaptive Search Engine to Support Tutoring Activities on-Line”. Journal of e-Learning and Knowledge Society 2, no. 1 (October 8, 2012). Accessed November 23, 2024. https://je-lks.org/ojs/index.php/Je-LKS_EN/article/view/704.