Arabic Proficiency Tests

First see:

Handbook for Arabic language teaching professionals in the 21st century

David Crystal

http://www.amazon.com/s/ref=nb_ss?url=search-alias%3Daps&field-keywords=crystal+linguistics+encylopedia&x=14&y=23

http://www.routledge.com/textbooks/9780415485746/
http://www.routledge.com/textbooks/9780415485746/