@article{
  author = {alavi, hojatalah, dadras, hassan, sertaji, ali},
  title = {The investigation into problems of decreases rate of return investment in tea strategical research program of Iran},
  journal = {Journal of Studies of Human Settlements Planning},
  year = {2009},
  volume = {4},
  number = {8},
  pages = {83-98},
  doi = {}
}