(3GdMeGjI GdLfGFjI ddHjFI VO GdJdhK GdSeYi (B:s (3OQGSI ebGQfI HGdJTQjY GdaQfSi (B/s - (3Lejd YHOGdHGbi GdUZjQs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1998)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdLfGFis; (3GdJTQjYGJ GdeJYdbI HGdHjFIs -- (3aQfSGs