(3SjchdhLjI Gdfeh YfO GdWad hGdeQGgb (B/s - (3NhQj , JheG LhQL s ((3HjQhJ (B:s (3GdeDSSI GdLGeYjI ddOQGSGJ hGdfTQ hGdJhRjY ,s, 2000)
Keywords: (3Yde GdfaSs -- (3SjchdhLjI s