Unton AR, Rizal R, Susanto A, Dinda W. Meningkatkan Kemampuan Berpikir Kritis Matematika Siswa Melalui Model Pembelajaran Group Investigation (GI). Innovative [Internet]. 2023 Aug. 30 [cited 2026 Aug. 4];3(4):2932-41. Available from: http://j-innovative.org/index.php/Innovative/article/view/3844