@article{
  author = {forozandeh, Mohammad, tahmasebi, abbas, mortagi, taha hossein},
  title = {The general model for lifecycle of R&D projects in research organizations with systems engineering approach},
  journal = {Modiriat-e- farda},
  year = {2021},
  volume = {19},
  number = {65},
  pages = {29-42},
  doi = {}
}