The degree of possession of mental arithmetic skills by intermediate school girls in Abha city from the teachers’ point of view. The International Journal for Scientific Research, [S. l.], v. 3, n. 11, 2024. DOI: 10.59992/hvn3ct05. Disponível em: https://vsrp.co.uk/index.php/ijsr/article/view/1094. Acesso em: 2 jul. 2026.