@article{1378556,
      recid = {1378556},
      author = {Guidiri, Mouna, and Cadiat, Anne-Christine,},
      title = {Le freemium business-model du web : comment utiliser le  gratuit pour mieux vendre? /},
      pages = {1 online resource (32 pages).},
      url = {http://library.usi.edu/record/1378556},
}