YULFI, Yulfi; SYAPRIZAL, Syaprizal. Developing Suplementry Speaking Material in Digital Media. Linguistic, English Education and Art (LEEA) Journal, [S. l.], v. 4, n. 1, p. 150–160, 2020. DOI: 10.31539/leea.v4i1.1620. Disponível em: https://journal.ipm2kpe.or.id/index.php/LEEA/article/view/1620. Acesso em: 8 apr. 2025.