BETTY, Apriori_Magrina; MONE, Ferdinandu; BEO SESO DELVION, Eduardus; HIJRIANI, Lailin. The Application of Open-ended Approach to Improve Mathematical Representation Ability of Junior High School Students 1 Amanuban Tengah. MATH-EDU: Jurnal Ilmu Pendidikan Matematika, [S. l.], v. 11, n. 2, p. 104–117, 2026. DOI: 10.32938/jipm.v11i2.10977. Disponível em: http://jurnal.unimor.ac.id/index.php/JIPM/article/view/10977. Acesso em: 4 sept. 2026.