(3OQGSGJ ai GdGYdGe GdOHdheGSi h GdYdGbGJ GdYGeI(B/s - (3geJ MSfs ((3GdbGgQI (B:s (3eUQ GdYQHjI ddfTQ h GdJhRjY ,s, 2010)
Keywords: (3hSGFd GdGYdGes -- (3GdLhGfH GdSjGSjIs; (3GdQGi GdYGes; (3GdQGi GdYGes -- (3GJLGgGJs; (3GdbVjI GdadSWjfjIs -- (3GdQGi GdYGes; (3GdQVG GdhXjais -- (3GdeQCIs -- (3egfI GdYdGbGJ GdYGeIs