Building Repositories of Learning Objects in Specialized Domains: The Chasqui Approach. - José Luis Sierra; Alfredo Fernández-Valmayor; Mercedes Guinea; Héctor Hernanz; Antonio Navarro 001 (ICALT, 2005)

Exploiting Author-Designed Domain-Specific Descriptive Markup Languages in the Production of Learning Content. - José Luis Sierra; Alfredo Fernández-Valmayor; Mercedes Guinea (ICALT, 2006)

From Research Resources to Learning Objects: Process Model and Virtualization Experiences. - José Luis Sierra; Alfredo Fernández-Valmayor; Mercedes Guinea; Héctor Hernanz (J. Educ. Technol. Soc., 2006)