DEVELOPING A JUNIOR HIGH SCHOOL GEOMETRY LEARNING KIT THAT SUPPORTS CHARACTER EDUCATION. Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika, [S. l.], v. 1, n. 1, 2016. DOI: 10.26486/mercumatika.v1i1.190. Disponível em: https://ejurnal.mercubuana-yogya.ac.id/index.php/mercumatika/article/view/190. Acesso em: 22 jun. 2026.