Nguyen VA, Pham VC. Learner Open Modeling in Adaptive Mobile Learning System for Supporting Student to Learn English. Int. J. Interact. Mob. Technol. [Internet]. 2011 Oct. 6 [cited 2024 May 1];5(4):pp. 22-29. Available from: https://online-journals.org/index.php/i-jim/article/view/1789