Ability Of Madrasah Ibtidaiyah Students In Completing Multiplication Calculation Operations Using The Lattice Method. edukasiana [Internet]. 2025 Oct. 30 [cited 2026 Jul. 22];4(2):456-63. Available from: https://www.ojs35ori.ejournal.darunnajah.ac.id/index.php/edukasiana/article/view/677