@article{ author = {Amiri, Kiuomars, AnvaryRostamy, Ali Asghar, Ghanbari, Mehrdad, Jamshidinavid, Babak}, title = {Evaluating the country's tax system by the effect of cash payments on the company's tax avoidance, taking into account the role of non-executive managers}, journal = {Journal of Development & Evolution Mnagement}, year = {2021}, volume = {13}, number = {44}, pages = {11-20}, doi = {} }