SINGH, D. S. S. K. Developing Number Sense and Problem-solving Skills in Children. The Voice of Creative Research , [S. l.], v. 7, n. 4, p. 282–287, 2025. Disponível em: http://thevoiceofcreativeresearch.com/index.php/vcr/article/view/328. Acesso em: 27 jul. 2026.