MULBAR, Usman; ROSIDAH; SAHID; WAZITHAH T., Mar Athul. Analisis Gesture Siswa dalam Pemecahan Masalah Geometri secara Berkelompok Ditinjau dari Tahapan Berpikir Van Hiele. Venn: Journal of Sustainable Innovation on Education, Mathematics and Natural Sciences, [S. l.], v. 5, n. 1, p. 198–209, 2026. DOI: 10.53696/venn.v5i1.435. Disponível em: https://journal.web.id/journals/venn/article/view/435. Acesso em: 7 oct. 2026.