@article{AUPCDM_2016_8_1_a13, author = {Sajka, Miros{\l}awa}, title = {Dwudziesty jubileusz istnienia {European} {Society} for {Research} in {Mathematics} {Education} i dziesi\k{a}ty mi\k{e}dzynarodowy kongres {CERME}}, journal = {Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Mathematicae Pertinentia}, pages = {189--196}, publisher = {mathdoc}, volume = {8}, number = {1}, year = {2016}, language = {pl}, url = {http://geodesic.mathdoc.fr/item/AUPCDM_2016_8_1_a13/} }