1. Taxonomy of educational objectives: the classification of educational goals, by a committee of college and university examiners;Bloom,1956
2. Software creativity;Glass,1995
3. ISO 13407. (1999). Human centered design process for interactive systems. International Standard.
4. ISO 14915–1, (2002). 15-1. Software ergonomics for multimedia user interfaces— design principles and framework. Final Draft International Standard.
5. ISO 14915–2, (2002). 15-2. Software ergonomics for multimedia user interfaces— control and navigation. Final Draft International Standard.