@article{
  author = {Sameti, Morteza, fathabadi, mahdi, Ranjbar, Homayoun},
  title = {Geographical Aggregation of Industrial Activities  and Productivity Growth: The Evidence from Iran's Provinces Manufacturing Industries},
  journal = {Economic  Modeling},
  year = {2016},
  volume = {10},
  number = {34},
  pages = {51-72},
  doi = {}
}