“The Effect of Planning of Planning Organization Strategic in the of Chemistry Achievement of Students at the Fourth-Grade Scientific and the Deep Thinking”. ALUSTATH JOURNAL FOR HUMAN AND SOCIAL SCIENCES 221, no. 2 (September 1, 2017): 321–340. Accessed May 3, 2024. https://alustath.uobaghdad.edu.iq/index.php/UJIRCO/article/view/439.