%0 Journal Article %K e-learning %K Intelligent Systems %K Multi-Agent Systems %K Learning %B International Journal of Interactive Multimedia and Artificial Intelligence %D 2013 %N Special Issue on Artificial Intelligence and Social Application %P 51-58 %R 10.9781/ijimai.2013.217 %T A multi-agent system model to integrate Virtual Learning Environments and Intelligent Tutoring Systems %U http://www.ijimai.org/journal/sites/default/files/files/2013/03/ijimai20132_17_pdf_59225.pdf %V 2 %8 03/2013