@article{
  author = {Gharaghani, F., Boostani, F., Soltani, G.},
  title = {Assessing the Impact of Reducing Irrigation Water and
Increasing its Price on Cropping Pattern by Positive
Mathematical Programming Model: A Case Study of Eghlid
in Fars Province},
  journal = {Agricultural Economics Research},
  year = {2009},
  volume = {1},
  number = {1},
  pages = {57-74},
  doi = {}
}