Use case diagrams are UML diagrams describing units of useful functionality (use cases) performed by a system in collaboration with external users (actors).
uml - What's is the difference between include and extend in use case diagram? - Stack Overflow
Deleting an extend relationship on a use case diagram - How To - Discuss the Visual Paradigm
How to make use case diagram using Generalization in UML | Geeks Worldwide
uml - Use Case Diagram having trouble with extends and includes in my diagram - Stack Overflow
What is Use Case Relationship? Include, Extend, Generalization - Binary Terms
Use Case Diagram, UML Diagrams Example: Website (structuring use cases with extend and include use case) - Visual Paradigm Community Circle
Use Case Model Use case diagram – Part ppt download
UML Use Case Diagrams: Tips
Use case diagram - Wikipedia
Use Case Diagrams :: Chapter 3. Use Cases :: UML :: Programming :: eTutorials.org
Informal Semantics for UML Use Case Diagrams
Reuse in Use-Case Models: <<extend>>, <<include>>, and Inheritance
UML Use Case "extend" and "include" relationships | juri.dev
Guideline: Defining Extend Relationships
Use Case - Difference between Include and Extend Notation | Blog
Use Case Diagram Relationships Explained with Examples - Creately Blog | Use case, Diagram, Case
Example of use case diagram | Download Scientific Diagram
Informal Semantics for UML Use Case Diagrams
UML, <<extending>> and <<including>> from the same use case - Software Engineering Stack Exchange
Extend and include in the UML use case diagram - YouTube
UML Use Case Diagram: Do generalisation children inherit include/extends from parent? - Stack Overflow
Use Case Diagram, UML Diagrams Example: "Include" and "Extend" Use Cases - Visual Paradigm Community Circle
