(3GHhgQjQI (B: (3QGhjI GdGSdGe (B/ s - (3eMeO YLGL GdNWjHs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1987)
Keywords: (3GdGSdGes; (3GdJQGLes; (3GdUMGHI hGdJGHYhfs