(3GdJMcje aj GdYdGbGJ GdOhdjI GdNGUI (B/s (3GdcJGH GdChd (B,s (3GJaGb GdJMcje (B/s - (3SGejI QGTOs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI(B,s, 1984)
(3jTJed Ydj GQLGYGJ HHdjhLQGajI(B.s
(3GdfU CZdHg HGddZI GdYQHjI HYV GdfUhU GdEfLdjRjI hGdaQfSjIs
Keywords: (3GdJMcje s; (3GdbGfhf GdOhdj GdNGUs