@article{
  author = {کاظم شیرودی, سجاد, خانیان, مرتضی},
  title = {Secondary porosity index effect on improving approaches permeability estimation from petrophysical logs utilizing  artificial intelligent },
  journal = {Iranian Journal of  Petroleum Geology},
  year = {2016},
  volume = {2},
  number = {3},
  pages = {1-10},
  doi = {}
}