RUKMARYADI, Rukmaryadi. An Analysis of the Non-English Department Students’ Speaking Ability at Universitas Riau. International Journal of Educational Dynamics, [S. l.], v. 3, n. 1, p. 57–62, 2020. DOI: 10.24036/ijeds.v3i1.278. Disponível em: http://ijeds.ppj.unp.ac.id/index.php/IJEDS/article/view/278. Acesso em: 22 oct. 2025.