A general and flexible model for the pedagogical description of learning objects.

Serena Alvino Paola Forcheri Maria Grazia Ierardi Luigi Sarti A general and flexible model for the pedagogical description of learning objects. 55-62 2008 Learning to Live in the Knowledge Society http://dx.doi.org/10.1007/978-0-387-09729-9_7 conf/ifip3/2008 db/conf/ifip3/ifip3-2008.html#AlvinoFIS08