(3GdcJGH ai GdYGde GdGSdGei (B( (3YGde GdeYQaI (B297 )s ((3GdchjJ (B: s (3GdeLdS GdhWfi ddKbGaI hGdafhf hGdGOGH , s, 2003)
Keywords: (3GdNW GdYQHis; (3GdeNWhWGJ GdYQHjIs; (3GdeNWhWGJs; (3GdcJGHs