Battigelli, Serena, and Angela Maria Sugliano. “Lesson Plan Archiviation: Metadata and Web 2.0 Applications”. Journal of e-Learning and Knowledge Society 5, no. 3 (December 21, 2009). Accessed April 13, 2024. https://www.je-lks.org/ojs/index.php/Je-LKS_EN/article/view/353.