@article{VM_2014_16_2_a6,
     author = {Jovana Jezdimirovi\'c},
     title = {Visual {Methods} in {Computer-Assisted} {Instruction,} {GeoGebra} software, e-materials and teachers training},
     journal = {Visual Mathematics},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/VM_2014_16_2_a6/}
}