ILYATI ZAHRO, Vanny Rahmayanti Audina; AKHTIM WAHYUNI. EXTRACURRICULAR ABACUS TO IMPROVE THE COGNITIVE ARITHMETIC SKILLS OF CHILDREN AGED 5-6 YEARS . Academic Journal Research, [S. l.], v. 2, n. 2, p. 39–46, 2024. DOI: 10.61796/acjoure.v2i2.234. Disponível em: https://journal.antispublisher.com/index.php/acjoure/article/view/234. Acesso em: 5 oct. 2025.