Rasool A. Proposed Framework for Integrating 21st Century Skills in intermediate School Biology Textbooks in Iraq. Al-adab J. [Internet]. 2025 Sep. 15 [cited 2025 Dec. 5];(154):279-306. Available from: https://aladabj.uobaghdad.edu.iq/index.php/aladabjournal/article/view/4966