Mahmood, Raed, & Reem Mustafa. " The Effect of Using the PLAN Strategy to Acquire Concepts and Scientific Enlightenment for Second Grade Students." Journal of Tikrit university for humanities - مجلة جامعة تكريت للعلوم الانسانية [Online], 26.5 (2019): 326-303. Web. 18 May. 2024