PUTRI, D.; HABIBIE, Z. R.; ALDINO. Students’ Conceptual Challenges in Learning Multiplication: Tantangan Konseptual Siswa dalam Pembelajaran Perkalian. Indonesian Journal of Innovation Studies, [S. l.], v. 26, n. 4, p. 10.21070/ijins.v26i4.1683, 2025. DOI: 10.21070/ijins.v26i4.1683. Disponível em: https://ijins.umsida.ac.id/index.php/ijins/article/view/1683. Acesso em: 17 feb. 2026.