(3eHGOF GdbGfhf GdEOGQj (B:s (3OQGSI ebGQfI (B/s - (3SdjeGf eMeO GdWeGhj s ((3GdbGgQI (B:s (3OGQ GdacQ GdYQHj (B,s, 1977)
(3jTJed Ydj GQLGYGJ HHdjhLQGajIs
(3GdfU CZdHg HGddZI GdYQHjI HYV GdfUhU GdEfLdjRjI hGdaQfSjIs
Keywords: (3GdbGfhf GdEOGQjs