Kuzu T. Mental Calculation Strategies as a ‘Missing Link’ between Arithmetic and Algebra – Insights into the ’Auxiliary Task’ and its Role in the ‘Cognitive Gap’. TUJME [Internet]. 2023May15 [cited 2024Apr.16];4(1):1-23. Available from: https://tujme.org/index.php/tujme/article/view/69