APOKO, Tri Wintolo; HANIF, Isa Faqihuddin; PUTRI, Soya Amelia. The Utilization of Flipgrid in Learning English Speaking Skill for EFL Teachers in Muhammadiyah Schools. Jurnal Pengabdian UNDIKMA, [S. l.], v. 3, n. 3, p. 371–376, 2022. DOI: 10.33394/jpu.v3i3.5687. Disponível em: https://e-journal3.undikma.ac.id/index.php/jpu/article/view/5687. Acesso em: 18 aug. 2025.