B. Sbihi, K. E. El Kadiri, and N. Aknin, “Towards an Implementation of the Concepts of E-Learning 2.5 Through one Group of Ten Masterâ??s Learners: Case of the UML Course”, Int. J. Emerg. Technol. Learn., vol. 8, no. 4, pp. pp. 68–73, Jul. 2013.