(3GdecJHGJ hGdeYdheGJ GdYQHjI Hjf GdhGbY hGdeSJbHd (B/ s - (3eMeO aJMi YHOGdgGOis ((3GdbGgQI (B: s (3ecJHI GdOGQ GdYQHjI ddcJGH,s, 1998)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdeYdheGJs; (3GdecJHjhfs; (3GdJCgjd Gdegfis; (3GdecJHGJs; (3GdHHdjhLQGajGs