Taslima T. Improving Students’ Learning Outcomes On Polynomial Materials In Class XI MIPA 2 MAN Kota Singkawang Using The Group Investigation Model. PINUS [Internet]. 2022Dec.29 [cited 2024Jul.27];8(1):31 -42. Available from: https://ojs.unpkediri.ac.id/index.php/pinus/article/view/17922