Taslima, T. 2022. Improving Students’ Learning Outcomes On Polynomial Materials In Class XI MIPA 2 MAN Kota Singkawang Using The Group Investigation Model. PINUS: Jurnal Penelitian Inovasi Pembelajaran. 8, 1 (Dec. 2022), 31–42. DOI:https://doi.org/10.29407/pn.v8i1.17922.