Putri, Diana, Zulqoidi R. Habibie, and Aldino. “Students’ Conceptual Challenges in Learning Multiplication: Tantangan Konseptual Siswa Dalam Pembelajaran Perkalian”. Indonesian Journal of Innovation Studies 26, no. 4 (September 18, 2025): 10.21070/ijins.v26i4.1683. Accessed February 17, 2026. https://ijins.umsida.ac.id/index.php/ijins/article/view/1683.