The Effect of The Prior Knowledge Activation Strategy on The Achievement of Second-Grade Middle School Students In The Arabic Grammar Subject. cbej [Internet]. 2026 Jul. 2 [cited 2026 Jul. 5];1(وقائع المؤتمر الانساني والتربوي والنفسي):1914-29. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/14973