(3OQGSGJ hehVhYGJ YGeI aj TCf Mbhb GdGfSGf (B/ s - (3GdYWGQ , QjGV s ((3SdjeGfjI (B: s (3GdeOjQjI GdYGeI ddWHGYI hGdfTQ , s, 2002)
Keywords: (3Mbhb GdGfSGf s