(3GSJYGOI GdeHGOQI (B:s (3cja jecf ddYdhe Cf JfgV aj GdHdGO GdYQHjI h GdGSdGejI (B. /s - (3YHjOdj , CMeOs ((3dHfGf (B:s (3OGQ GdMOGKI ,s, 1984)
Keywords: (3GdHdGO s; (3GdYdhe s; (3JfgV s; (3GdYQHjI s