SUMIATUN. UPAYA MENINGKATKAN KETERAMPILAN MENGHITUNG VOLUME BANGUN RUANG MELALUI ALAT PERAGA KUBUS SATUAN . Jurnal Edu Research, [S. l.], v. 11, n. 1, 2022. DOI: 10.30606/jer.v11i1.1339. DisponĂ­vel em: https://journal.upp.ac.id/index.php/edureseach/article/view/1339. Acesso em: 29 mar. 2023.