(3GdMdhjGJ dLejY GdefGSHGJ (B/ s - (3Ydj, SGejI eMeOs ((3GdbGgQg (B:s (3ecJHI GdbQBf ddWHY h GdfTQ h GdJhRjY,s, 1983)
Keywords: (3GdCZPjIs; (3GdScGcQs