(3GdJhajb chSjdI SdejI dMd GdefGRYGJ GdOhdjI aj GdbGfhf GdOhdj GdYGe (B/s - (3fHjd CMeO Mdejs ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI , s, 1983)
Keywords: (3GdbGfhf GdOhdj GdYGes; (3GdJMcjes; (3dLGf GdJhajbs