@article{
  author = {Sobhani, Behrouz, Safarian Zengir, Vahid, Majidi Heravi, Anita},
  title = {Analysis of factors affecting tourism development city Khalkhal in Province Ardebil using strategic model SWOT},
  journal = {Human & Environment},
  year = {2021},
  volume = {19},
  number = {3},
  pages = {155-170},
  doi = {}
}