@article{
  author = {Abbasi, Moslem, Abolghasemi, Abbas, Narimani, Mohammad},
  title = {The Relationship between Entrepreneurship and    Business Performance in Managers of Productive Units},
  journal = { Journal of Strategic Management in Industrial Systems},
  year = {2011},
  volume = {6},
  number = {17},
  pages = {13-24},
  doi = {}
}