Using the library search to find case studies may lead to ebooks. These case studies are hosted on ebook platforms such as ProQuest Ebook, O'Reilly Safari Books Online, MyiLibrary, and many more.
Look out for cases in the Table of Contents of the ebook. The (below example) of case studies can be found in the ebook Case Studies in Asian Management.
The following are examples of ebooks that publish business case studies
The Times 100 business case studies : edition 18
Hired Hands or Human Resources? Case Studies of HRM Programs and Practices in Early American Industry by 
Implementing Enterprise Risk Management. Case Studies and Best Practices by 
Naked Truths: Case Studies in Crisis Communication by 
Business Integrity in Practice Insights from International Case Studies by 
Sustainability Footprints in SMEs: Strategy and case studies for entrepreneurs and small business by 