@article { Guarracino2009JLKS, author = "Corsaro, S. and De Angelis, P.L. and Guarracino, M. R. and Marino, Z. and Monetti, V. and Perla, P. and Zanetti, P.", title = "Kremm: an E-learning System for Mathematical Models Applied to Economics and Finance", journal = "Journal of e-Learning and Knowledge Society", volume = "5", number = "1", pages = "221--230", year = "2009" }