Correct usage of includes and extends in use case diagram - Stack Overflow
Are using <<include>> and <<extend>> relationship in this use-case diagram actually same? - Software Engineering Stack Exchange
Difference between INCLUDE and EXTEND on UML use case diagra...
How to make use case diagram using Generalization in UML | Geeks Worldwide
Use Case Diagram, UML Diagrams Example: Website (structuring use cases with extend and include use case) - Visual Paradigm Community Circle
Use Case Diagram Relationships Explained with Examples - Creately Blog
What is Use Case Relationship? Include, Extend, Generalization - Binary Terms
UML relation between usecases (extend/include) | User story template, Use case, System architecture
Use Case - Difference between Include and Extend Notation | Blog
Use Case Diagram Lecture 1 Use Case Diagram
Reuse in Use-Case Models: <<extend>>, <<include>>, and Inheritance
Use Case Diagram - StarUML documentation
Use Case Diagram Relationships Explained with Examples - Creately Blog
Syafi'i Oktavian's Blog: UseCase Diagram My Blog
What is Use Case Relationship? Include, Extend, Generalization - Binary Terms
UML use case include relationship shows that behavior of the included use case is inserted into the behavior of the including use case.
Extend | Enterprise Architect User Guide
Informal Semantics for UML Use Case Diagrams
use case diagrams include and extend - Stack Overflow
Use Case Diagram, UML Diagrams Example: "Include" and "Extend" Use Cases - Visual Paradigm Community Circle
Generalization / Specialization Use Case Diagrams and Scenarios
Use case diagrams are UML diagrams describing units of useful functionality (use cases) performed by a system in collaboration with external users (actors).
Deleting an extend relationship on a use case diagram - How To - Discuss the Visual Paradigm
