Youssef Saleh, Hossam, & Nour Sabri Nasser. " The impact of the strategy of analog thinking in the achievement and cognitive motivation of students in the fifth grade scientific biology." Journal of Tikrit university for humanities - مجلة جامعة تكريت للعلوم الانسانية [Online], 24.12 (2017): 237-258. Web. 12 May. 2024