Unton, A. R. (2023) “Meningkatkan Kemampuan Berpikir Kritis Matematika Siswa Melalui Model Pembelajaran Group Investigation (GI)”, Innovative: Journal Of Social Science Research, 3(4), pp. 2932–2941. Available at: https://j-innovative.org/index.php/Innovative/article/view/3844 (Accessed: 19 April 2026).