Many books contain case studies in their contents. Combine "case studies" with your chosen company or topic in a Catalogue keyword search.
Examples:
"case studies" kiwifruit
"case studies" "supply chain"
"case studies" "New Zealand" dairy
You can sometimes find relevant material in Google books by searching with the phrase "case study" or "case studies" and a keyword.
The Business Study and Research Skills Hub is where you can access a suite of resources about how to effectively find scholarly sources, your assignment writing, referencing and more.
If you have questions about library services, you can: