Underwood, J., Bartolomé, A. & Lefrere, P. (2011). Big issues: The example of learning platforms. En Carneiro, R., Lefrere, P & Steffens, K. Self-Regulated Learning in Technology Enhanced Learning Environments. A European Perspective. Rotterdam: Sense Publishers. Pgs. 145-154. ISBN 978-94-6091-652-6 (paperback). ISBN 978-94-6091-653-3 (hardback). ISBN 978-94-6091-654-0 (e-book)