@incollection{Toppan09,
author = {Cristina De Castro and Paolo Toppan},
title = {Customisation of Learning Paths and Network Optimisation in E-learning Systems},
booktitle = {Technology},
publisher = {IntechOpen},
address = {Rijeka},
year = {2009},
editor = {Aleksandar Lazinica and Carlos Calafate},
chapter = {9},
doi = {10.5772/7292},
url = {https://doi.org/10.5772/7292}
}