Ghanim, Ahmed, Awsam Thunoun, & Hala Shit. " Design of cognitive contradiction schemes for computer material and impact on the achievement of second intermediate grade female students." Journal of Tikrit university for humanities - مجلة جامعة تكريت للعلوم الانسانية [Online], 26.5 (2019): 481-458. Web. 18 May. 2024