include or extend in uml use case diagram - Stack Overflow
How to make use case diagram using Generalization in UML | Geeks Worldwide
uml - What's is the difference between include and extend in use case diagram? - Stack Overflow
UML, <<extending>> and <<including>> from the same use case - Software Engineering Stack Exchange
The syntax of the actual extend and include relationships, as they... | Download Scientific Diagram
UML Use Case Diagram Tutorial | Lucidchart
Use case diagrams are UML diagrams describing units of useful functionality (use cases) performed by a system in collaboration with external users (actors).