(3GdGJLGg GdSGNQ ai GOH GdTOjGb (B/ s - (3Thbi eMeO GdeYGedis ([ (3GdbGgQI (B] : s (3ecJHI GdfgVI GdeUQjI , s, 1988)
Keywords: (3GdGOH GdYQHis; (3GdSNQjI ai GdGOHs; (3GdGOH GdYQHi GdgRdis