Interoperable Competencies Characterizing Learning Objects in Mathematics

@inproceedings{pub3746,
    author = {

Melis, Erica
 and 

Faulhaber, Arndt
 and 

Eichelmann, Anja
 and 

Narciss, Susanne
},
    title = {Interoperable Competencies Characterizing Learning Objects in Mathematics},
    booktitle = {Intelligent Tutoring Systems. International Conference on Intelligent Tutoring Systems (ITS-08), 9th, June 23-27, Montréal, Canada},
    series = {Lecture Notes in Computer Science (LNCS)},
    year = {2008},
    month = {6},
    volume = {5091},
    pages = {416--425},
    publisher = {Springer}
}