SYAFRAYANI, P. R.; HATTA, T. A. Improving EFL Students’ English Speaking Skills at Universitas Muhammadiyah Sumatera Utara through the Cake Application. Altafani: Jurnal Pengabdian Masyarakat, [S. l.], v. 1, n. 2, 2024. Disponível em: https://jurnal2.umsu.ac.id/index.php/altafani/article/view/70. Acesso em: 30 aug. 2026.