Case studies can be categorized into quite a few varieties dependent on their own target and purpose. Here are some frequent types of case studies: You can study the preface and Chapter 1 of Yin's book below. Begin to see the open-access articles down below for some released examples https://harvard-case-study-help20650.angelinsblog.com/33406951/what-does-hbr-case-study-analysis-mean