Refactoring 📕 Articles Refactoring huge C# code base in minutes Refactoring Legacy Code with the Strangler Fig Pattern 📺 Videos The refactoring test (1) - Dependency Inversion & Unit tests | Cracking the .NET interview The refactoring test (2) - Open-Closed, Single Responsibility | Cracking the .NET interview 📚 Books Refactoring - Improving the Design of Existing Code, Martin Fowler