(3GdbGfhf GdLfGFj hGdJcfhdhLjG GdMOjKI(B.s (3GdcJGH GdChd,s (3GdLQGFe GdfGTFI Yf GSJNOGe GdMGSH GdBdj (B/s - (3GdUZjQ, Lejd YHO GdHGbjs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1992)
(3HHdjhLQGajI (B: (3U(B. 185-194.s
Keywords: (3LQGFe GdMGSHGJ GdEdcJQhfjIs -- (3bhGfjf hJTQjYGJs -- (3eUQs; (3GdbGfhf GdLfGFjs -- (3eUQs; (3GdMGSHGJ GdEdcJQhfjIs -- (3bhGfjf hJTQjYGJs -- (3eUQs