Supriyanto, Iklas, and Mawardi Mawardi. “Peningkatan Keterampilan Berpikir Kritis Melalui Model Pembelajaran Group Investigation Pada Siswa Sekolah Dasar”. Jurnal Basicedu 4, no. 3 (May 2, 2020): 558–564. Accessed January 27, 2026. https://www.jbasic.org/index.php/basicedu/article/view/394.