IQ TEST STANDARDIZATION OF MARTEN LOTHER JOHAN WITH CHILDREEN OF THE SIX YEAR. Journal Of Educational and Psychological Researches, [S. l.], v. 13, n. 51, p. 252–280, 2016. Disponível em: https://jperc.uobaghdad.edu.iq/index.php/jperc/article/view/327. Acesso em: 5 may. 2025.