Diniz, António, Margarida Dias Pocinho, and Leandro Silva Almeida. “Cognitive Abilities, Sociocultural Background and Academic Achievement”. Psicothema 23, no. Número 4 (December 31, 2011): 695–700. Accessed April 15, 2026. https://reunido.uniovi.es/index.php/PST/article/view/9146.