(3LQYI GdJHOjO eda jVe UjZI bGfhfjI JTed JHOjO efbhdGJ GdRhLI (B/ s - (3Ydi YhV MSfs ([S.N] : (3GdecJHI GdbGfhfjI , s, 1990)
Keywords: (3GdbGfhfs; (3bGfhf GdYbhHGJs; (3GdbGWQGJs