Haraty, R.A. and Sharif, A.I. 2008. The Relationship between Using of an Intelligent Tutoring System and Class Achievement in a Basic Mathematics Course. International Journal of Emerging Technologies in Learning (iJET). 3, 2 (Jan. 2008), pp. 20–23. DOI:https://doi.org/10.3991/ijet.v3i2.158.