(3VQhQI GdYde OQGSGJ ai GdYde hGdYdeGA (B/ s - (3QTOi GdSjSi (B((3eJQLe(B)s; (3HhcGf, Lhfs; (3hGFd GJGSis ((3GdchjJ (B: s (3GdeLdS GdhWfi ddKbGaI hGdafhf hGdGOGH , s, 1999)
Keywords: (3GdGOH GdGfLdjRis; (3GdYdhes; (3GdWGbIs; (3GOH GdQMdGJs; (3GdYde hGdeLJeYs; (3GdWGbI (B- (3MaXs