@incollection{Yuhao12,
author = {Xinyu Zhang and Lu Yuhao},
title = {Knowledge Building in E-Learning},
booktitle = {eLearning},
publisher = {IntechOpen},
address = {Rijeka},
year = {2012},
editor = {Patrizia Ghislandi},
chapter = {2},
doi = {10.5772/29436},
url = {https://doi.org/10.5772/29436}
}