References:-( Design- design patterns- Design Principles)

References:- Separation of Concerns Hexagonal Architecture- Onion Architecture More Onion Architecture New is Glue Pluralsight Resources:- =================== - N-Tier Application Design in C# - design Patterns library - Solid principles of OO Design ----------------------------------------- References:- -Separation of Concerns - Hexagonal Architecture -Onion Architecture :- More Onion Architecture onionarchitecture New is Glue -http://bit.ly/ljn98e Pluralsight Resources:- =================== - N-Tier Application Design in C# - design Patterns library Solid principles of OO Design - Solid principles of OO Design