@article{10_14708_dm_v44i1_7183,
     author = {Claudia Vargas D{\'\i}az and Victoria Nu\~nez Henr{\'\i}quez},
     title = {Attitudes, beliefs, and emotions in problems involving graph theory},
     journal = {Didactica Mathematicae},
     pages = { 107--146},
     publisher = {mathdoc},
     volume = {44},
     year = {2022},
     doi = {10.14708/dm.v44i1.7183},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/dm.v44i1.7183/}
}