Analysis of computer textbooks content for preparatory stage according to the logical thinking. Journal Of Educational and Psychological Researches, [S. l.], v. 15, n. 58, p. 443–477, 2018. Disponível em: https://jperc.uobaghdad.edu.iq/index.php/jperc/article/view/129. Acesso em: 4 may. 2025.