Baratè, Adriano, and Luca Andrea Ludovico. “An Open and Multi-Layer Web Platform for Higher Music Education”. Journal of e-Learning and Knowledge Society 16, no. 4 (December 17, 2020): 29-37. Accessed December 3, 2021. https://www.je-lks.org/ojs/index.php/Je-LKS_EN/article/view/1135356.