Abd alhade عبد الهادی Al zbaede A. The effect of the pentagram "strategy on the achievement of second"-year intermediate students in the social studies subject and developing their mental alertness. BERJ [Internet]. 2024 Dec. 1 [cited 2025 Oct. 26];20(4):132-58. Available from: https://moss.uomosul.edu.iq/index.php/berj/article/view/37898