Hazmi H. Al Ilm: Jurnal Ilmu Pendidikan dan Hukum: IMPROVING LEARNING OUTCOMES IN COUNTING NUMBER OPERATIONS AND REDUCTION OF ROUND NUMBERS USING BEAD MEDIA IN CLASS IV STUDENTS IN SD NEGERI 3 CENTRAL SPOTS FROM CENTRAL SPOTS. AI [Internet]. 2020Mar.6 [cited 2024Jul.22];1(No 2):58-1. Available from: https://ejournal.kopertais4.or.id/sasambo/index.php/alimu/article/view/3779