PEDUGSORN, M.; VITTAYAKORN, S.; SUDWAN, P. 3 and 2 Dimensional Perception in the Mentally Retarded. Journal of Associated Medical Sciences, [S. l.], v. 26, n. 2, p. 61, 2015. Disponível em: https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60462. Acesso em: 16 sep. 2026.