Christophe Choquet, Sébastien Iksal, Mark Levene, Judith Schoonenboom. Users' data - Trails Analysis. Nicolas Balacheff and Sten Ludvigsen and Ton de Jong and Ard Lazonder and Sally Barnes.
Technology Enhanced Learning - Principles and Products, Springer, pp.195--211, 2009, 978-1-4020-9826-0.
〈hal-01433924〉 
