PUTRI ADINDA YUDHA. The Effectiveness of Spontaneous Group Discussion in Skills Speaking in Junior High School Students. Jurnal Disastri, [S. l.], v. 5, n. 3, p. 399–404, 2023. DOI: 10.33752/disastri.v5i3.4257. Disponível em: https://ejournal.unhasy.ac.id/index.php/disastri/article/view/4257. Acesso em: 4 jul. 2024.