(3SjGOI GdOSJhQ hVeGf JWHjbjg (B:s (3OQGSI ebGQfI (B/s - (3eMeO YHO GdMejO GHh RjQ(B.s ((3OGQ GdfgVI GdYQHjI (B:s (3GdbGgQI(B,s, 1989)
(3jMJhj Ydj GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdOSJhQj(B.s