@article{CSIS_2004_1_1_a7,
     author = {Goran \v{S}imi\'c},
     title = {The {Multi-courses} {Tutoring} {System} {Design}},
     journal = {Computer Science and Information Systems},
     year = {2004},
     volume = {1},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/CSIS_2004_1_1_a7/}
}