CHANDOUL, Amara; M. SIBIH, Alalnod. Proof without words: The Sum. International Journal of Psychosocial Rehabilitation, [S. l.], v. 25, n. 2, p. 984–987, 2024. DOI: 10.61841/c6pm0b14. Disponível em: https://www.psychosocial.com/index.php/ijpr/article/view/739. Acesso em: 8 jul. 2025.