(3SdWGJ GdCef hGdMUGfGJ hGdGeJjGRGJ GdOHdheGSjI (B:s (3ai GdhGbY GdfXQi hGdYedi ebGQfG HGdTQjYI GdESdGejI (B/s - (3aGhi GdedGMs ((3GdbGgQI (B:s (3OGQ GdeWHhYGJ GdLGeYjI,s, 1993)
.769 (3HHdjhLQGajG(B: (3UaMI(B.s
(3jTJed Ydi EQLGYGJ HHjdhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdOhdi ai GdGSdGes -- (3GdMUGfI GdOHdheGSjIs