(3GdJQHjI aj GdESdGe (B/ s - (3QTOj, jGSjfs ((3GdbGgQI (B:s (3fgVI eUQ ddWHGYI hGdfTQ hGdJhRjY,s, 1992)
Keywords: (3GdJQHjIs; (3GdHdOGf GdYQHjIs; (3GdJQHjI GdESdGejIs; (3JGQjN GdJQHjIs