Kareem Husien., D., & Mazen behind Nasser, H. 2018 Aug 27. Effectiveness of the Strategy (Initiation-Response-Evaluation) and the Strategy (Think-Pair-Share) in Achievement and Retention of the Second Stage Students and the Curiosity in the Experimental Physical Optics Subject. Mustansiriyah Journal of Arts (MuJA). [Online] :67