ANUGRAHENI, Tiara Djati; IZZAH, Lidiyatul; HADI, Muhamad Sofian. Increasing the Students’ Speaking Ability through Role-Playing with Slovin’s Formula Sample Size. Jurnal Studi Guru dan Pembelajaran, [S. l.], v. 6, n. 3, p. 262–272, 2023. DOI: 10.30605/jsgp.6.3.2023.2825. Disponível em: https://www.e-journal.my.id/jsgp/article/view/2825. Acesso em: 7 jul. 2025.