Stake's function has been especially influential in defining the case study method of scientific enquiry. He has helpfully characterised 3 principal varieties of case study: intrinsic, instrumental and collective[8]. An intrinsic case study is often undertaken to learn about a unique phenomenon. The researcher need to define the uniqueness https://find-someone-to-do-case-s23318.onzeblog.com/31127561/the-basic-principles-of-buy-case-study-help