Arifiya, N.; Setiowati, R.; Sari, R. I. P. PEMANTAPAN MATERI MATEMATIKA KUBUS DI SEKOLAH MENENGAH PERTAMA (SMP) ISLAM AL- ISTIQOMAH DAN MTS AL-HIDAYAH: The Construction Materials of Cube Mathematic At Junior High Islamic Schools Al-Istiqomah And Mts Al-Hidayah. JPM 2019, 5, 55-60.