A. Larosa, A. Harefa, and T. Harefa, “IMPROVING STUDENTS’ ABILITY IN WRITING ANNOUNCEMENT THROUGH GALLERY WALK TECHNIQUE AT THE TENTH GRADE OF SMA NEGERI 1 GUNUNGSITOLI IDANOI IN 2022/2023”, AoEJ, vol. 14, no. 2, pp. 1173-1185, Sep. 2023.