PORKAEW, K. The Roles of Attitude and Motivation in Second and Foreign Language Learning. LEARN Journal: Language Education and Acquisition Research Network, [S. l.], v. 2, p. 69–76, 2012. Disponível em: https://so04.tci-thaijo.org/index.php/LEARN/article/view/102787. Acesso em: 20 may. 2024.