Kristianingrum, Eka Puspita, and Marni Serepinah. “Peningkatan Hasil Belajar Perkalian Melalui Kerja Kelompok Dengan Alat Peraga Benda Konkret”. Jurnal Basicedu 9, no. 4 (November 4, 2025): 1274–1285. Accessed January 26, 2026. https://www.jbasic.org/index.php/basicedu/article/view/10175.