Reuse in Use-Case Models: Extends, Includes, and Inheritance

Potential reuse can be model through four generalization relationships supported by UML use-case models: extends, includes, and inherits (UC and actor).

What is the difference between extend and include functions in a use case diagram and their uses? - Quora

10.2.5. Multiple Inheritance

Inheritance and Composition: A Python OOP Guide – Real Python

Include” and “Extend” Use Cases - Visual Paradigm Blog

Use Case Diagram

Use Case Diagram Relationships Explained with Examples - Creately Blog

UML Use Case Diagrams: An Agile Introduction

Reuse in Use-Case Models: Extends, Includes, and Inheritance

Use Case Diagram Tutorial (Guide with Examples)