The impact of the Kamp model on the acquisition of historical concepts and the retention of the history material for fourth grade students (literary). Al-adab J. [Internet]. 2018 Dec. 6 [cited 2024 May 8];1(122):497-514. Available from: https://aladabj.uobaghdad.edu.iq/index.php/aladabjournal/article/view/226