INCREASING STUDENT LEARNING ACHIEVEMENT IN ENGLISH SUBJECTS USING THE GROUP INVESTIGATION METHOD IN CLASS VII UPTD SMP NEGERI 6 SINJAI. Teaching English as a Foreign Language Overseas Journal, [S. l.], v. 10, n. 3, p. 366–374, 2022. DOI: 10.47178/m3wh6g44. Disponível em: https://journals.ukitoraja.ac.id/index.php/ojtefl/article/view/2402.. Acesso em: 10 feb. 2026.