Thanks a lot Harshvardhan Singh, fully appreciative!

 I think that a simple search on Scholar will lead to so many results in this regard:

https://scholar.google.com.eg/scholar?hl=en&q=English+and+cultural+identity+questionnaire&btnG=&as_sdt=1%2C5&as_sdtp=

I wonder if you've already seen this:

https://www.researchgate.net/publication/287563534_English_language_teaching_materials_and_learners%27_Cultural_identity

and this:

http://onlinelibrary.wiley.com/doi/10.1111/j.0883-2919.2005.00386.x/abstract

 and this:

https://www.researchgate.net/profile/Gabriel_Horenczyk2/publication/235007842_Cultural_identity_and_immigration_Reconstructing_the_group_during_cultural_transition/links/02e7e5399639fd50d5000000.pdf

and also this:

http://s3.amazonaws.com/academia.edu.documents/6382389/Preserving_Cultural_Identity_in_the_21st_Century.pdf?AWSAccessKeyId=AKIAJ56TQJRTWSMTNPEA&Expires=1472125443&Signature=rnd%2BM5gyx0wLy6DgjakZUS4zUDk%3D&response-content-disposition=inline%3B%20filename%3DPreserving_Cultural_Identity_in_the_21st.pdf

Article English language teaching materials and learners' Cultural identity

Chapter Cultural identity and immigration: Reconstructing the group ...

Thanks a lot Mahmoud Abdallah, fully appreciative!