(3GdTHGH Hjf GdJWQa hGdGfMQGa (B/ s - (3GSeGYjd GHQGgjes ((3GdbGgQI (B: s (3ecJHI GdOGQ GdYQHjI ddcJGH,s, 1998)
Keywords: (3GdYfas; (3GdTHGHs; (3Yde GdfaS GdGLJeGYis; (3GdJWQas; (3GdGfMQGas; (3YHOI GdTjWGfs