Guiding the user. An element to aid knowledge construction in adaptive hypermedia systems. - Tomás A. Pérez; Julián Gutiérrez Serrano; Ricardo López Pietro; A. González; José Ángel Vadillo Zorita (Computers and Education. Towards an Interconnected Society, 2001)

Pedagogical Strategies With Hypermedia. Limiting access to hyperspace for educational purposes. - Tomás A. Pérez; Julián Gutiérrez Serrano; Ricardo López Pietro; A. González; José Ángel Vadillo Zorita (Computers and Education. Towards an Interconnected Society, 2001)

Hipermedia, Adaptación, Constructivismo e Instructivismo. - Tomás A. Pérez; Julián Gutiérrez Serrano; Ricardo López Pietro; A. González; José Ángel Vadillo Zorita (Inteligencia Artif., 2001)