WARNI, S. Facilitating an Implementation of Online Portfolios in an EFL Writing Class. Journal of ELT Research: The Academic Journal of Studies in English Language Teaching and Learning, [S. l.], v. 2, n. 1, p. 24–36, 2017. Disponível em: https://journal.uhamka.ac.id/index.php/jer/article/view/158. Acesso em: 17 jul. 2024.