@article{journals/ce/MitrovicOB13,
  added-at = {2012-10-16T00:00:00.000+0200},
  author = {Mitrovic, Antonija and Ohlsson, Stellan and Barrow, Devon K.},
  biburl = {http://www.bibsonomy.org/bibtex/250bc648ff3475fdc7d57120dc9ab96fb/dblp},
  ee = {http://dx.doi.org/10.1016/j.compedu.2012.07.002},
  interhash = {652947acfc0d0f72a06c3c31c65f3a85},
  intrahash = {50bc648ff3475fdc7d57120dc9ab96fb},
  journal = {Computers & Education},
  keywords = {dblp},
  number = 1,
  pages = {264-272},
  timestamp = {2012-10-16T00:00:00.000+0200},
  title = {The effect of positive feedback in a constraint-based intelligent tutoring system.},
  url = {http://dblp.uni-trier.de/db/journals/ce/ce60.html#MitrovicOB13},
  volume = 60,
  year = 2013
}