SITISYARAH K. PENINGKATAN HASIL BELAJAR MATEMATIKA SISWA MELALUI MODEL PEMBELAJARAN KOOPERATIF TIPE GROUP INVESTIGATION DI KELAS VII.5 SMP NEGERI 13 PALEMBANG. science [Internet]. 2024Jan.19 [cited 2026Feb.14];3(4):231-9. Available from: https://jurnalp4i.com/index.php/science/article/view/2664