@article{PNA_2008__2_4_43753,
     author = {Jos\'e Ort{\'\i}z and Luis Rico and Enrique Castro},
     title = {La {Ense\~nanza} del \'algebra {Lineal} {Utilizando} {Modelizaci\'on} y {Calculadora} {Gr\'afica:} un {Estudio} con {Profesores} en {Formaci\'on.}},
     journal = {PNA},
     pages = {181},
     publisher = {mathdoc},
     volume = {2},
     number = {4},
     year = {2008},
     language = {sp},
     url = {https://geodesic-test.mathdoc.fr/item/PNA_2008__2_4_43753/}
}