Bibliografía básica Nielsen, J. (2000). Designing Web Usability: The Practice of Simplicity. New Riders Publishing
Nielsen, J. (2000). Usabilidad. Diseño de sitios Web. Pearson Education
Mosqueira & Moret (2001). Validación de sistemas inteligentes. Tórculo

Bibliografía complementaria Preece (1993). A guide to usability: human factors in computing. Addison-Wesley
Adelman & Riedel (1997). Handbook for evaluating knowledge-based systems. Kluwer
Gupta (1991). Validating and verifying knowledge-based systems. IEEE Press