S. Alseelawi N, K. Adnan E, T. Hazim H, Alrikabi HTS, Nasser KW. Design and Implementation of an E-learning Platform Using N-Tier Architecture. Int. J. Interact. Mob. Technol. [Internet]. 2020 Apr. 17 [cited 2024 Nov. 24];14(06):pp. 171-185. Available from: https://online-journals.org/index.php/i-jim/article/view/14005