MURNI NIAT YANTI ZENDRATO; SADIANA LASE; YAKIN NIAT TELAUMBANUA; NETTI KARIANI MENDROFA. Problematika Siswa Pada Pembelajaran Matematika dalam Memecahkan Masalah Matematika di SMK Negeri 2 Gunungsitoli. Venn: Journal of Sustainable Innovation on Education, Mathematics and Natural Sciences, [S. l.], v. 5, n. 3, p. 474–488, 2026. DOI: 10.53696/venn.v5i3.482. Disponível em: https://journal.web.id/journals/venn/article/view/482. Acesso em: 8 oct. 2026.