@article{
  author = {Mohammadyari, Fatemeh, Mirsanjari, Mir mehrdad, Zarandian, Ardavan},
  title = {Monitoring of vegetation changes in Karaj watershed using NDVI index and gradient analysis},
  journal = {Journal of RS and GIS for Natural Resources},
  year = {2019},
  volume = {9},
  number = {4},
  pages = {55-72},
  doi = {}
}