1. Adams, J. W. (2013). A case study: Using lesson study to understand factors that affect teaching
2. creative and critical thinking in the elementary classroom. Drexel University.
3. Allahverdi, S., & Gholami, J. (2014). The Effects of Raising Iranian Intermediate EFL Learners '
4. Critical Thinking on Vocabulary Learning. Procedia - Social and Behavioral Sciences, 98, 212-
5. 219.