@article{
  author = {Peirow, A. A., Samadpoor, N.},
  title = {Estimating the tax base in the value added tax
system (case Iran 1995-1999)},
  journal = {Future study Management},
  year = {2006},
  volume = {18},
  number = {69},
  pages = {42-52},
  doi = {}
}