https://www.softwareblogs.com/Home/Blog/how/DiffEF6andCore/entity-framework-6-entity-framework-core-difference-compare-examples

https://docs.microsoft.com/en-us/ef/efcore-and-ef6/

https://www.learnentityframeworkcore.com/

https://www.entityframeworktutorial.net/Types-of-Entities.aspx

https://chadgolden.com/blog/comparing-performance-of-ef6-to-ef-core-3