(3GdeSFhdjI GdLfGFjI ddUMai ai GdWYf ai GYeGd GdehXa GdYGe (B/s - (3eMeO gTGe CHh GdaJhMs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1991)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdLfGFis; (3GdeSFhdjI GdLfGFjI dCUMGH egf CNQis