[1] King Khalid Univ, Abha, Saudi Arabia
[2] Curtin Univ, Fac Business & Law, Bentley, Australia
[3] Tikrit Univ, Coll Educ Women, Math Dept, Tikrit, Iraq
[4] Curtin Univ, Fac Business & Law, Sch Accounting Econ & Finance, Bentley, Australia
[5] Curtin Univ, Fac Business & Law, Sch Accounting, Curtin Business Sch, Bentley, Australia