(3KhQI GdGfahejOjG (B( (3YGde GdeYQaI (B253 ) : s (3GdhSGFW GdeYdheGJjI hcja JZjQ YGdefG hMjGJc ? (B/ s - (3MSGe GdOjf RcQjGs; (3cjdT , aQGfcs ((3GdchjJ (B: s (3GdeLdS GdhWfi ddKbGaI hGdafhf hGdGOGH , s, 2000)
Keywords: (3GdJcfhdhLjGs; (3GdeYdheGJs; (3GdGJUGdGJ GdGdcJQhfjIs