How to know whether and when to use case studies as a research method
Designing cast studies: identifying your case(s) and establishing the logic of your case study
Preparing to collect case study evidence: what you need to do before starting to collect case study data
Collecting case study evidence:L the principles you should follow in working with six sources of evidence
Analyzing case study evidence: how to start your analysis, your analytic choices, and how they work
Reporting case studies: how and what to compose.