SUKARASTA, I. W. B. Penerapan model pembelajaran kooperatif tipe group investigation untuk meningkatkan pencapaian kompetensi matematika dan ketuntasan belajar. Indonesian Journal of Educational Development (IJED), [S. l.], v. 2, n. 1, p. 158–168, 2021. DOI: 10.5281/zenodo.4781881. Disponível em: https://ojs.mahadewa.ac.id/index.php/ijed/article/view/1157. Acesso em: 16 sep. 2025.