(3WGYI GdMcGe ef hGLHGJ GdESdGe (B/s - (3YdjGf, ThcJ eMeOs ((3GdQjGV (B:s (3OGQ YdjGf,s, 2012)
(3HHdjhLQGajI (B: (3U(B. 147-153.s
Keywords: (3fXGe GdMce aj GdESdGes; (3GdhdGA (B((3abg ESdGej(B)s; (3GdfXGe GdSjGSj aj GdESdGes