MEGAWATI, N. Implementing Group Investigation (GI) Learning Method to improve the Students’ Learning Achievement of Senior High School. International Journal of Education Research and Development, [S. l.], v. 3, n. 2, p. 61–70, 2023. DOI: 10.52760/ijerd.v3i02.43. Disponível em: https://e-journal.yayasancec.or.id/index.php/corolla/article/view/43. Acesso em: 11 feb. 2026.