1. Aliakbari, M., & Sadeghdaghighi, A. (2011). Investigation of the relationship between gender, field of study, and critical thinking skill: the case of Iranian students. Proceedings of the 16th Conference of Pan- Pacific Association of Applied Linguistics.
2. Hackworth, R.M. (2009). Radiation science educators’ perception of obstacles in the use of critical thinking. Unpublished Doctoral Dissertation. Ohio: The Ohio State University.
3. Science production in Iranian educational system by the use of critical thinking;Hashemi;International Journal of Instruction,2010
4. Teaching from critical thinking, problem-based curricular approaches: strategies, challenges, and recommendation;Mimbs;Journal of Family and Consumer Sciences Education,2005
5. Ozkan-Akan, S. (2003). Teachers’ perceptions of constraints in improving students’ thinking in high school. Unpublished Master Thesis. Ankara: Middle East Technical University.