(3CSQGQ GdYdGL HRjJ GdRjJhf (B/ s - (3dGchSJ, Uhajs ((3HjQhJ (B:s (3TQcI OGQGdaQGTI ddWHGYI h GdfTQ h GdJhRjY,s, 2002)
Keywords: (3RjJ GdRjJhfs; (3GdWH GdTYHjs