@article{
  author = {Damankeshideh, Marjan, Akhlaghi, Emelia},
  title = {Studying the Possibility of Replacing Petrochemical Products
with Natural Gas in Public Transport Sector
(In case of the taxis of the city of Tehran )},
  journal = {Financial Economics},
  year = {2009},
  volume = {3},
  number = {7},
  pages = {84-101},
  doi = {}
}