(3HfGA GdOhdI (B: s ((3Gdeaghe (B- (3GdCQcGf (B- (3GdTcd(B) (3aj GdTQjYI GdESdGejI hGdfXe GdhVYjI (B/ s - (3OGhO GdHGRs ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI, s, 1996)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GTcGd GdOhdIs; (3GdbGfhf GdOSJhQis