@misc
{TN_libero_mab2,
author = {
Renkl, Alexander
},
title = {
Why constructivists should not talk about constructivist learning environments: a commentary on Loyens and Gijbels (2008)
},
publisher = {Springer Science and Business Media LLC},
isbn = {0020-4277},
isbn = {1573-1952},
year = {2009},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}