(3ehVhYGJ aj GdJcfhdhLjG GdMjhjg (B/ s - (3OdGdj , HGSd cGed s ((3GdehUd (B: s (3OGQ GdcJH ddWHGYI hGdfTQ , s, 1993)
Keywords: (3GdJcfhdhLjG GdMjhjg s