Jorge Torres Juan Manuel Dodero Ignacio Aedo Telmo Zarraonandia An Architectural Framework for Composition and Execution of Complex Learning Processes. 143-147 2005 conf/icalt/2005 ICALT http://doi.ieeecomputersociety.org/10.1109/ICALT.2005.48 db/conf/icalt/icalt2005.html#TorresDAZ05