Nguyen, Viet Anh, and Van Cong Pham. “Learner Open Modeling in Adaptive Mobile Learning System for Supporting Student to Learn English”. International Journal of Interactive Mobile Technologies (iJIM) 5, no. 4 (October 6, 2011): pp. 22–29. Accessed May 2, 2024. https://online-journals.org/index.php/i-jim/article/view/1789.