@ARTICLE{6583916,
author = {M. Salehi and I. N. Kamalabadi and M. B. Ghoushchi},
journal = {IEEE Transactions on Learning Technologies},
title = {An effective recommendation framework for personal learning environments using a learner preference tree and a GA},
year = {2013},
volume = {6},
number = {4},
pages = {350-363},
keywords={Recommender systems;Electronic learning;Collaboration;Genetic algorithms;Data mining},
doi = {10.1109/TLT.2013.28},
url = {doi.ieeecomputersociety.org/10.1109/TLT.2013.28},
ISSN = {1939-1382},
month={Oct.-Dec.}
}