1. Ackerman, B. (2006). Gateways to Experience. PRAISE for Students with Behavioral Challenges. Kappa Delta Pi, 43(1), 39–40.
2. Anderson, C. M., & Spaulding, S. A. (2007). Using Positive Behavior Support to Design Effective Classrooms. PBS (Public Broadcasting Service) in the Classroom. Beyond Behavior, Winter, 27–31.
3. Antonakaki, R. (2008). Using Educational Games to Promote Students’ Communicative Competence. Aspects Today, 19, 31–34.
4. Arabic-English Dictionary. (2016). Accessed April 02, 2016, from http://en.bab.la/dictionary/arabic-english/
5. Babiniotis, G. (2009). Etymological Dictionary of the Modern Greek Language. History of the Words. Athens: Center of Lexicology.