@article{AUPCDM_2018_10_1_a3,
     author = {Danisman, Sahin and Tan{\i}\c{s}l{\i}, Dilek},
     title = {A case study on the semiotic signs during a lecture of {Cartesian} plane},
     journal = {Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Mathematicae Pertinentia},
     pages = {41--51},
     publisher = {mathdoc},
     volume = {10},
     number = {1},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPCDM_2018_10_1_a3/}
}