Article 1: Yin, Robert K. (1981). The Case Study as a Serious Research Strategy. Science Communication. 3:1, 97-114. https://doi.org/10.1177/107554708100300106
URL: http://journals.sagepub.com/stoken/default+domain/10.1177/107554708100300106/full

Article 2: Yin, Bateman, and Moore. (1985). Case Studies and Organization Innovation: Strengthening the Connection. Science Communication. 6:1, 249-260.
URL: http://journals.sagepub.com/stoken/default+domain/10.1177/107554708500600303/full

Article 3: Yin, Robert K. (2009). How to do better case studies: (with illustrations from 20 exemplary case studies). In Bickman, L. & Rog, D. J. The SAGE handbook of applied social research methods (pp. 254-282). Thousand Oaks, CA: SAGE Publications Ltd. doi: 10.4135/9781483348858

How To Do Better Case Studies

Article 4: Yin, Robert K. (2014). The case study crisis: some answers. In M. Tight (Ed.), SAGE Benchmarks in Social Research Methods: Case studies (Vol. 4, pp. III3-III3). London: SAGE Publications Ltd doi: 10.4135/9781473915480.n38

The Case Study Crisis, Some Answers

Article 5: Yin, Bateman, and Moore. (1983). Case Studies and Organizational Innovation: Strengthening the Connection. Washington, D.C.: COSMOS Corporation.

Case Studies and Organizational Innovation

Article 6: Yin, Robert K. (1983). The Case Study Method: An Annotated Bibliography. Washington, D.C.: COSMOS Corporation.

The Case Study Method