KATKOV, Yurii; NECHYPORUK, Andriy. Living learning trajectory based on reduced first-order approximation models in an adaptive english language learning platform. International Science Journal of Engineering & Agriculture, [S. l.], v. 4, n. 6, p. 28–46, 2025. DOI: 10.46299/j.isjea.20250406.03. Disponível em: https://isg-journal.com/isjea/article/view/1117. Acesso em: 7 dec. 2025.