1. Abdallah, F., Toffolon, C., & Warin, B. (2008). Models transformation to implement a Project-Based Collaborative Learning (PBCL) scenario: Moodle case study. In The international conference on advanced learning technologies, ICALT 2008 (pp. 639–643), Spain.
2. Arrigo, M. (2009). E-learning accessibility for blind students. In International conference on multimedia and ICT in education, Portugal.
3. Ben Brahim, H., Ben Jemaa, A., Jemni, M., & Laabidi, M. (2013). Towards the design of personalised accessible e-learning environments. In The 13th IEEE international conference on advanced learning technologies, Beijing, China.
4. Bizonova, Z., Ranc, D., & Drozdova, M. (2007). Model driven e-learning platform integration. In 2nd European conference on technology enhanced learning EC-TEL PROLEARN 2007 doctoral consortium (Vol. 288, pp. 8–14), Crete, Greece, September 2007.
5. Burger, D., Tabeling, B., Manant, M., & Seiffert, M. (2012). Benefits and costs of e-accessibility. The G3ict Publications and reports, Atlanta, USA.