@article{
  author = {Khodami Pour, Ahmad, amini nia, Meysam, Fadavi, Mohammad Hasan},
  title = {The Investigation of Membership Effect in Business Group on the Firms’ Effective Tax Rate},
  journal = {Financial Accounting and Auditing Research},
  year = {2013},
  volume = {5},
  number = {18},
  pages = {129-150},
  doi = {}
}