@article{10_14708_dm_v32i0_28,
     author = {Witold Paj\k{a}k},
     title = {Role of the {CABRI} computer program for the assimilation of mathematical contents by polish middle school (gymnasium) students},
     journal = {Didactica Mathematicae},
     publisher = {mathdoc},
     volume = {32},
     year = {2009},
     doi = {10.14708/dm.v32i0.28},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/dm.v32i0.28/}
}