adeb kasim shandy and azhar shmran alhgame, P. (2012). Model measure the effectiveness of the tax system in IraqFor the period 1980-2009. , 0(6), 3-36.

prove adeb kasim shandy and azhar shmran alhgame. "Model measure the effectiveness of the tax system in IraqFor the period 1980-2009". , 0, 6, 2012, 3-36.

adeb kasim shandy and azhar shmran alhgame, P. (2012). 'Model measure the effectiveness of the tax system in IraqFor the period 1980-2009', , 0(6), pp. 3-36.

adeb kasim shandy and azhar shmran alhgame, P. Model measure the effectiveness of the tax system in IraqFor the period 1980-2009. , 2012; 0(6): 3-36.