RAVICHANDRAN, Kuga Darsani; OSMAN, Sharifah; KURNIATI, Dian. Enhancing Problem-Solving Learning Through Abacus Mental Arithmetic: A Cognitive Science Perspective on Primary School Students . International Journal of Academic Research in Progressive Education and Development, [S. l.], v. 13, n. 1, 2024. Disponível em: https://ijarped.com/index.php/journal/article/view/556. Acesso em: 2 aug. 2025.