@article{
  author = {pourmandbakhshayesh, tayyebeh, Salmani, Behzad, bargioskooi, mohammadmehdi},
  title = {Effects of Technology Spillover and Internal Research & Development (R&D) on Growth of Total Factor Productivity (TFP) in Iran's Oil and Gas Sector},
  journal = { Roshd -e- Fanavari},
  year = {2020},
  volume = {16},
  number = {64},
  pages = {72-81},
  doi = {10.52547/jstpi.20794.16.64.72}
}