Barak, Başak, and Betül Barut. “Reframing the Reasoning Gap: Cognitive-Domain Achievement Profiles and Their Predictors Among Eighth-Grade Students in Türkiye Across TIMSS 2019 and 2023”. International Electronic Journal of Elementary Education 18, no. 5 (October 2, 2026): 801–813. Accessed October 3, 2026. https://www.iejee.com/index.php/IEJEE/article/view/2847.