(3GdbGfhf GdEOGQj (B:s (3OQGSI bGfhfjI dJfXje h fTGW GdEOGQI GdYGeI (B/s - (3CMeO MGaX fLe s ((3GdbGgQI (B:s (3OGQ GdacQ GdYQHj (B,s, 1981)
(3jTJed Ydj GQLGYGJ HHdjhLQGajIs
(3GdfU CZdHg HGddZI GdYQHjI HYV GdfUhU GdEfLdjRjI hGdaQfSjIs
Keywords: (3GdbGfhf GdEOGQjs