RIDWAN, Nurfia; SALWAH; JUMARNIATI. Deskripsi Kemampuan Berpikir Kritis Matematis Awal pada Materi Garis dan Sudut. Venn: Journal of Sustainable Innovation on Education, Mathematics and Natural Sciences, [S. l.], v. 1, n. 2, p. 19–25, 2022. DOI: 10.53696/2964-867X.72. Disponível em: https://journal.web.id/journals/venn/article/view/72. Acesso em: 7 oct. 2026.