AL QASSIM, Khawla Abbas. The effectiveness of the electronic applications of mental arithmetic on the development of mathematical power with primary school students. Journal of Curriculum and Teaching Methodology, New Mexico, United States, v. 2, n. 15, p. 48–67, 2023. DOI: 10.26389/AJSRP.W250923. Disponível em: https://www.ajsrp.ojsexpert.com/index.php/jctm/article/view/7212. Acesso em: 19 dec. 2025.