BUTARBUTAR, R. .; MARLINA RADJA LEBA, S. .; ., M.; FLORENSIA SAUHENDA, A. Factors Associated With Speaking English as a Foreign Language Effectively in Higher Education. KnE Social Sciences, [S. l.], v. 8, n. 9, p. 650–659, 2023. DOI: 10.18502/kss.v8i9.13379. Disponível em: https://knepublishing.com/index.php/KnE-Social/article/view/13379. Acesso em: 11 may. 2025.