@incollection{Mosdorf10,
author = {R. Mosdorf and J. Kilon and B. Ignatowska},
title = {Dynamic Analysis of Activity of E-learning System Users},
booktitle = {E-learning},
publisher = {IntechOpen},
address = {Rijeka},
year = {2010},
editor = {Marina Buzzi},
chapter = {5},
doi = {10.5772/7784},
url = {https://doi.org/10.5772/7784}
}