. (2008). . AL-Qadisiyah Journal For Administrative and Economic sciences, 9(4), 50-63.
. "", AL-Qadisiyah Journal For Administrative and Economic sciences, 9, 4, 2008, 50-63.
. (2008). '', AL-Qadisiyah Journal For Administrative and Economic sciences, 9(4), pp. 50-63.
, "," AL-Qadisiyah Journal For Administrative and Economic sciences, 9 4 (2008): 50-63,
. . AL-Qadisiyah Journal For Administrative and Economic sciences. 2008;9(4):50-63.
