The Degree to Which Female Primary School Students in Dammam Possess Mental Arithmetic Skills from The Point of View of Female Teachers. The International Journal for Scientific Research, [S. l.], v. 2, n. 11, 2023. DOI: 10.59992/IJSR.2023.v2n11p9. Disponível em: https://vsrp.co.uk/index.php/ijsr/article/view/1150. Acesso em: 2 jul. 2026.