@article{Mergel2017,
  author    = {Ines Mergel},
  title     = {Building Holistic Evidence for Social Media Impact},
  series   = {Public Administration Review},
  volume    = {77},
  number    = {4},
  publisher = {Wiley},
  address   = {Hoboken, NJ},
  issn      = {0033-3352},
  pages     = {489 -- 495},
  year      = {2017},
  abstract  = {.},
  language  = {en}
}