Metadata for describing learning scenarios under the European Higher Education Area paradigm. - Ana-Elena Guerrero; Julià Minguillón; Lourdes Guàrdia; Albert Sangrà (MTSR, 2007)

A Digital Ecosystem for Digital Competences: The CRISS Project Demo. - Manolis Mavrikis; Lourdes Guàrdia; Mutlu Cukurova; Marcelo Maina (EC-TEL, 2018)