WAHYUNI, Astri; EFFENDI, Leo Adhar; ANGRAINI, Lilis Marina; ANDRIAN, Dedek. Developing instrument to increase students’ geometry ability based on Van Hiele level integrated with Riau Malay culture. Jurnal Penelitian dan Evaluasi Pendidikan, [S. l.], v. 24, n. 2, p. 208–217, 2020. DOI: 10.21831/pep.v24i2.33811. Disponível em: https://journal.uny.ac.id/index.php/jpep/article/view/33811. Acesso em: 6 may. 2025.