MURAT DURAN; MUHAMMET DORUK; ABDULLAH KAPLAN. The Strategies Used by Middle School Students to Make Mental Computation. Elementary Education Online, [S. l.], v. 15, n. 3, p. 742–760, 2023. Disponível em: https://ilkogretim-online.org./index.php/pub/article/view/7329. Acesso em: 8 jul. 2024.