@article{
  author = {Mirhosseini, Zohreh, Khaledian, Zolaykha},
  title = {A feasibility study for offering electronic reference services
 in the academic libraries of Hamedan},
  journal = {Journal of Knowledge Studies},
  year = {2011},
  volume = {4},
  number = {13},
  pages = {51-64},
  doi = {}
}