(3GdJTQjY GdVQjHi(B.s (3VQGFH GdONd habG dCMcGe GdbGfhf (B157 (3d (B1981 / s - (3YQaGJ GdJgGei GHQGgje s ((3GdbGgQI (B:s (3ecJHI GdfUQ(B,s, 1992)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdGbJUGO(B- (3JTQjYGJs