AMALIYAH, Riski; AKIB, Muhaiminah; HARTANTI, Rezkiah. THE USE OF GROUP INVESTIGATION METHOD TO IMPROVE STUDENTS’ SPEAKING ABILITY AT ENGLISH DEPARTMENT OF SORONG MUHAMMADIYAH UNIVERSITY. Qalam : Jurnal Ilmu Kependidikan, [S. l.], v. 6, n. 2, p. 24–31, 2018. DOI: 10.33506/jq.v6i2.216. Disponível em: https://ejournal.um-sorong.ac.id/index.php/jq/article/view/216. Acesso em: 29 apr. 2024.