(3bGfhf GdELQGAGJ GdLfGFjI GdShOGfj dSfI (B1991 (3eYdbG Ydjg (B/s - (3ESeGYjd, eMeO GdaGJMs ((3GdNQWhe (B:s (3eMeO GdaGJM ESeGYjd,s, 2000)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3bGfhf GdELQGAGJ GdLfGFjIs -- (3GdShOGfs