R. Obiedat, L. Nasir Eddeen, O. Harfoushi, M. AL-Hamarsheh, A. Koury, and N. Alassaf, “Effect of Blended-Learning on Academic Achievement of Students in the University of Jordan”, Int. J. Emerg. Technol. Learn., vol. 9, no. 2, pp. pp. 37–44, Mar. 2014.