1. Raviolo, P.: Online higher education teaching practices. In: IC4E Tokyo 2019 Proceedings, pp. 79–84. ACM, Tokyo (2019)
2. Greco, G.: L’apprendimento nell’era della connettività: una riflessione sociologica al confine tra comunicazione ed educazione. In: Scarcelli, C.M., Stella, R. (eds.) Digital literacy e giovani. Strumenti per comprendere, misurare e intervenire, pp. 21–31, Franco Angeli, Milano (2017)
3. Denis, B., Watland, P., Pirotte, S., Verday, N.: Roles and competencies of the e-tutor. In: Networked Learning 2004: A Research Based Conference on Networked Learning and Lifelong Learning: Proceedings of the Fourth International Conference, pp. 150–157. Lancaster Press, Lancaster (2004)
4. Salmon, G.: E-Moderating: The Key to Teaching and Learning Online. Psychology Press, England (2003)
5. Kemshal-Bell, G.: The Online Teacher. TAFE NSW Information Technology, New South Wales (2001)