Automated COVID-19 dialogue system using a new deep learning network. Periodicals of Engineering and Natural Sciences, [S. l.], v. 9, n. 2, p. 667–677, 2021. DOI: 10.21533/pen.v9.i2.772. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/772. Acesso em: 30 apr. 2026.