ZHANG, P. .; WANG, Z. .; ADESOPE, O. . The Effects of Goal Type, Learning Interest, and Task Difficulty on Learning English Words. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 15, n. 2, p. 32–46, 2016. Disponível em: https://ijlter.net/index.php/ijlter/article/view/970. Acesso em: 31 jul. 2026.