Ilyati Zahro, Vanny Rahmayanti Audina, and Akhtim Wahyuni. 2024. “EXTRACURRICULAR ABACUS TO IMPROVE THE COGNITIVE ARITHMETIC SKILLS OF CHILDREN AGED 5-6 YEARS ”. Academic Journal Research 2 (2):39-46. https://doi.org/10.61796/acjoure.v2i2.234.