@article{10_14708_dm_v40i0_6431,
     author = {Jane Tuominen and Charlotta Andersson and Lisa Bjorklund Boistrup and Inger Eriksson},
     title = {Relate before calculate: {Students{\textquoteright}} ways of experiencing relationships between quantities},
     journal = {Didactica Mathematicae},
     pages = { 5--33},
     publisher = {mathdoc},
     volume = {40},
     year = {2018},
     doi = {10.14708/dm.v40i0.6431},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/dm.v40i0.6431/}
}