Stake's operate is especially influential in defining the case study approach to scientific enquiry. He has helpfully characterised 3 most important kinds of case study: intrinsic You will find 3 principal sorts of case scientific studies. These solutions are which include; intrinsic, instrumental and collective. Analysis of qualitative details from https://hbr-case-study-writing-he42901.webbuzzfeed.com/32597320/indicators-on-case-help-you-should-know