SorvaKK07'

BibTeX

@article{DBLP:journals/jite/SorvaKK07,
  author    = {Juha Sorva and
               Ville Karavirta and
               Ari Korhonen},
  title     = {Roles of Variables in Teaching},
  journal   = {JITE},
  volume    = {6},
  year      = {2007},
  pages     = {407-423},
  ee        = {http://www.jite.org/documents/Vol6/JITEv6p407-423Sorva280.pdf},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}