KRUPA, T. V. . User Behavioral Data Enhancement and Vectorization in E-Learning Models. The journal of contemporary issues in business and government, [S. l.], v. 27, n. 2, p. 1470–1478, 2021. Disponível em: https://www.cibgp.com/index.php/1323-6903/article/view/1052. Acesso em: 15 jul. 2025.