@article{
  author = {Shahabadi, Abolfazll, Rahmani, Omid},
  title = {The Investigation of the Effect of Research and Development on the Iran׳s Industrial Sector Productivity},
  journal = { Roshd -e- Fanavari},
  year = {2011},
  volume = {7},
  number = {25},
  pages = {1-10},
  doi = {}
}