(3Mhd GdOjf h GdOhdI (B:s (3eMGhdI dWQM GdfbGT ef OGNd GdJGQjN GdYQHj (B/s - (3GdeYQhaj , eMeO GdUGdM GdJhej s ((3GdLRGFQ (B:s (3OGQ GdfTQ ddeZQH GdYQHj ,s, 1988)
Keywords: (3GdJGQjN s; (3GdOhdI s; (3GdOjf s; (3GdfbGT s