@article{TM2_2012_XV_2_a0,
     author = {Mat{\'\i}as Camacho-Mach{\'\i}n and Josefa Perdomo-D{\'\i}az and Manuel Santos-Trigo},
     title = {An {Exploration} of {Students'} {Conceptual} {Knowledge} {Built} in a {First} {Ordinary} {Differential} {Equations} {Course} {(Part} {II)}},
     journal = {The Teaching of Mathematics},
     pages = {63 },
     publisher = {mathdoc},
     volume = {XV},
     number = {2},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM2_2012_XV_2_a0/}
}