(3GdbUI GdbUjQI aj eUQ (B: (3OQGSI aj JCUjd af COHj (B/ s - (3YjGO, TcQj eMeOs ((3GdbGgQI (B:s (3eYgO GdHMhK h GdOQGSGJ GdYQHjI,s, 1968)
Keywords: (3GdGOH GdYQHjs; (3GdbUI GdbUjQIs; (3GdfbO GdGOHjs