@phdthesis{Mousavi2012,
  author      = {Seyed Siamak Mousavi},
  title       = {Effective Elements on E-Marketing strategy in Tourism Industry (Case study: Airlines, Tour Operator and Chain Hotels in Germany and Iran)},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t Trier},
  doi       = {10.25353/ubtr-xxxx-a789-7f0f},
  year        = {2012},
}