The effectiveness of integrating the dual analysis and synthesis strategies and the integration of fragmented knowledge.m and their impact on mathematical achievement and the development of procedural fluency among fifth-grade science students in mathe. JEH [Internet]. 2026 Sep. 1 [cited 2026 Sep. 20];6(24). Available from: https://jeh.uomosul.edu.iq/index.php/jeh/article/view/62487