@article{
  author = {Keshavarz Bahaghighat, Razieh, hosseini, seyed mahmoud, Hosseini, Seyed Jamal, Lashgarara, Farhad},
  title = {Factors influencing sustainability of private extension services from the perspective of public sector experts in Zanjan and Qazvin provinces},
  journal = {Agricultural Extension and Education Research},
  year = {2022},
  volume = {14},
  issue = {4},
  pages = {16-33},
  doi = {10.30495/jaeer.2022.51180.10800},
  url = {https://sanad.iau.ir/fa/Article/825724}
}