(3GdfRGY h YOe GdESJbQGQ aj GdTQb GdChSW (B: s (3GdfGS (B/ s - (3fLGQ, eMeOs ((3YeGf (B:s (3GdCgdjI ddfTQ h GdJhRjY,s, 1999)
Keywords: (3GdXQha GdSjGSjIs; (3GdCUhd GdEbJUGOjIs; (3GdfRGYGJs; (3GdScGfs; (3GdfaWs; (3GdCbdjGJs; (3GdTQb GdChSWs