D. Lakshmi, Dr, and U Chandrasekhar. “A New Student Model for an Intelligent Tutoring System Using Analytical Hierarchy Process”. International Journal of Engineering & Technology 7, no. 3.29 (August 24, 2018): 433–442. Accessed May 5, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/19285.