@misc
{TN_libero_mab2,
author = {
Bechtel, Gordon G.
AND
Ofir, Chezy
},
title = {
Aggregate item response analysis
},
publisher = {Springer Science and Business Media LLC},
isbn = {0033-3123},
isbn = {1860-0980},
keywords = {
Applied Mathematics
,
General Psychology
},
year = {1988},
}