Apoko TW, Hanif IF, Putri SA. The Utilization of Flipgrid in Learning English Speaking Skill for EFL Teachers in Muhammadiyah Schools. j. pengabdi. has. pemberdaya. masy. [Internet]. 2022 Nov. 18 [cited 2025 Aug. 18];3(3):371-6. Available from: https://e-journal3.undikma.ac.id/index.php/jpu/article/view/5687