@article{
  author = {parsa, samaneh, کابلی, سید حسن, jafari, sakineh},
  title = {The Mediating Role of Travel Motivation and Responsible Behavior with the Relationship between Environmental Attitude and the Sustainable Development of Ecotourism Case: Cities of Mahdishar and Semnan},
  journal = { Social Studies in Tourism},
  year = {2018},
  volume = {6},
  number = {12},
  pages = {0-0},
  doi = {}
}