@article{10_14708_dm_v37i0_844,
     author = {Michal Tabach and Alex Friedlander},
     title = {Tworzenie zada\'n jako aktywno\'s\'c, kt\'orej mo\.zna si\k{e} nauczy\'c},
     journal = {Didactica Mathematicae},
     publisher = {mathdoc},
     volume = {37},
     year = {2015},
     doi = {10.14708/dm.v37i0.844},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/dm.v37i0.844/}
}