@article{
  author = {Safdari Ranjbar, Mostafa, Ghazi Nori, Seyed Soroush, Tavakoli, Gholamreza},
  title = {Service Innovation (Concepts, Features, Approaches, Perspectives and Policies)},
  journal = { Roshd -e- Fanavari},
  year = {2016},
  volume = {12},
  number = {48},
  pages = {1-10},
  doi = {10.7508/jstpi.2016.04.002}
}