Critical summaries (language, culture& society) (langustics department)

hi
i would like to write a five critical summaries of five different articles which ill uploaded the the title of the topic and under it youll find the references for the topic for example languge diversity: language change take only one articl and make a critical summary for just 300 word summary for every artical.
im in lingustic department i need writer in my department and if you need anything just let me know or email me plz
thanx
kholoud