CABRERA-SOLANO, Paola. The Use of Digital Portfolios to Enhance English as a Foreign Language Speaking Skills in Higher Education. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 15, n. 24, p. pp. 159–175, 2020. DOI: 10.3991/ijet.v15i24.15103. Disponível em: https://online-journals.org/index.php/i-jet/article/view/15103. Acesso em: 2 may. 2024.