use case resources

Use Cases: Yesterday, Today, and Tomorrow by Ivar jacobson, who is the 1st master of use case methodology

Use case in Wikipedia

Putting use cases to work from IBM-Rational

Managing use-case detail from IBM-Rational

Use cases best practices: get the pdf from IBM-Rational

Adopting use cases: Understanding types of use cases and artifacts from IBM-Rational

book: "Use Case Driven Object Modeling With UML: A Practical Approach" By: Doug Rosenberg, Kendall Scott

Software Cost Estimation With Use Case Points