@article{
  author = {godarzvand chegini, mehrdad, molaei hashjin, nasrollah},
  title = {Approaches to Development the Tourism Industry in Guilan Province},
  journal = {Journal of Studies of Human Settlements Planning},
  year = {2009},
  volume = {4},
  number = {8},
  pages = {179-192},
  doi = {}
}