RAHARJO, Raharjo. Pengaruh Pembelajaran Kooperatif GI Dan PBL Terhadap Hasil Belajar Siswa. Jurnal Pendidikan Matematika dan Sains, [S. l.], v. 14, n. 1, p. 49–56, 2010. DOI: 10.21831/jpms.v14i1.173. Disponível em: https://journal.uny.ac.id/index.php/jpms/article/view/173. Acesso em: 10 may. 2025.