@article{771508,
      recid = {771508},
      author = {Brown, Elinor L., and Krŭsteva, Anna, and Ranieri, Maria,},
      title = {E-learning and social media : the cost of integration /},
      pages = {1 online resource (xiv, 377 pages).},
      url = {http://library.usi.edu/record/771508},
}