1. Akinoglu 0, Saribayrakdar S 2007. The learning Strategies used by secondary school students in the course of history studies.Educational Sciences: Theory and Practice, 1 (7): 303-312.
2. Alazzi KF 2008. Teachers’ perceptions of critical Thinking: A study of Jordanian secondary school social studies teachers.The Social Studies, 99 (6): 243–248.
3. Cottrell S 2005.Critical Thinking Skills: Developing Effective Analysis and Argument. New York: Palgrave Macmillan.
4. Creswell JW 2012.Educational Research: Planning, Conducting, and Evaluating Quantitative andQualitative Research. 4th Edition. Boston: Pearson Education, Inc.
5. Facione PA 1990. Critical Thinking: A Statement of Expert Consensus for Purposes of Educational Assessment and Instruction (Executive Summary). American Philosophical Association DelphiResearch Report. Millbrae, CA: The California Academic Press.