SURINYA, T. The study on the Relationship Between Intelligence Quotient Obtained from the Coloured Progressive Matrices and Piaget’s Theory on the stages of Cognitive Development of Thai Children, Age 5-11 Years. Kasetsart Journal of Social Sciences, [S. l.], v. 6, n. 2, p. 135–139, 1985. Disponível em: https://so04.tci-thaijo.org/index.php/kjss/article/view/243558. Acesso em: 16 sep. 2026.