S. RAJPER. PERSONALIZED E-LEARNING SYSTEMS: A USER MODELING TECHNIQUE. Pakistan Journal of Science, [S. l.], v. 68, n. 2, 2023. DOI: 10.57041/vol68iss2pp%p. Disponível em: https://pjosr.com/index.php/pjs/article/view/510. Acesso em: 21 nov. 2025.