SALSABILA, N.; SIREGAR, L. N. K. Development of LEGO Calculator Learning Media to Improve Students’ Conceptual Understanding of Multiplication . Journal of Islamic Education Students (JIES), [S. l.], v. 6, n. 2, p. 426–443, 2026. DOI: 10.31958/jies.v6i2.17105. Disponível em: https://ejournal.uinmybatusangkar.ac.id/ojs/index.php/jies/article/view/17105. Acesso em: 19 jul. 2026.