“Content Assessment of the Sciences Textbooks of Grades (1-4) in the Light of International Standards in Mathematics and Science TIMSS 2019 (Cognitive Process Dimension)” (2023) Journal Of Educational and Psychological Researches, 20(78), pp. 186–218. Available at: https://jperc.uobaghdad.edu.iq/index.php/jperc/article/view/1607 (Accessed: 6 May 2025).