ADMIN, Admin. Back Cover. HISTOGRAM: Jurnal Pendidikan Matematika, [S. l.], v. 2, n. 1, 2018. DOI: 10.31100/histogram.v2i1.152. Disponível em: https://journal.matappa.ac.id/index.php/histogram/article/view/152. Acesso em: 15 jan. 2026.