Zebua, L. P., N. Maru’ao, T. Harefa, and K. M. E. Telaumbanua. “an Analysis of Flipped Classroom Model Application in Learning English at Eighth Grade of SMP Negeri 4 Gunungsitoli in 2022/2023”. Journal Of Education And Teaching Learning (JETL), vol. 5, no. 3, Oct. 2023, pp. 305-14, doi:10.51178/jetl.v5i3.1540.