TY  - BOOK
AU  - ZHAO, Zhegmai
AU  - O'SHEA, Tim, coaut.
AU  - FUNG, Pat, coaut.
TI  - The effects of visible link-types on learning in the hypertext enviroment : an empirical study
CY  - New York, EUA
KW  - HIPERTEXTO
KW  - RECUPERACION DE INFORMACION
ER  -