(3GdMeGjI GdLfGFjI dYdGbGJ GdYed (B: s (3GdbGfhf GdLfGFj ddYed (B/ s - (3MSfj GdLfOj(B.s ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI,s, 1985)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdJTQjY GdeJYdb HYdGbGJ GdYed(B.s