GOULD, Elizabeth. Editor’s Note: Proficiency and Achievement: What Is the Difference and Why Should We Care?. Issues in Language Instruction, [S. l.], v. 2, n. 3, p. 3, 2017. DOI: 10.17161/ili.v2i3.6931. Disponível em: https://journals.ku.edu/ili/article/view/6931.. Acesso em: 18 may. 2024.