SEBASTIÁN, Gabriel; TESORIERO, Ricardo; GALLUD, Jose A. Unified Abstract Mechanism to Model Language Learning Activities. COMPUTING AND INFORMATICS, [S. l.], v. 40, n. 2, p. 249–276, 2021. DOI: 10.31577/cai_2021_2_249. Disponível em: https://www.cai.sk/ojs/index.php/cai/article/view/2021_2_249. Acesso em: 29 mar. 2024.