Deliguin GJH. Localized Window Cards: An Intervention Material for Improving Mastery of the Four Fundamental Operations in Mathematics of Grade 3 Learners of Balaybay Elementary School. IJRAMT [Internet]. 2026 Feb. 8 [cited 2026 Feb. 9];7(2):11-4. Available from: https://journals.ijramt.com/index.php/ijramt/article/view/3192